diff --git a/Ultima/Art.cs b/Ultima/Art.cs
index 4ab3b15c..a75a67ff 100644
--- a/Ultima/Art.cs
+++ b/Ultima/Art.cs
@@ -36,12 +36,16 @@ static Art()
         }
 
         /// <summary>
-        /// Validates if a static bitmap will fit within the MUL format limits.
-        /// The format uses 16-bit lookup table offsets, limiting total encoded data to ~65,535 ushorts.
+        /// Validates if a static bitmap will fit within the MUL format limits by computing
+        /// the exact encoded size. The format uses 16-bit lookup table offsets, limiting total
+        /// encoded data to 65,535 ushorts. A pixel is considered opaque when its alpha bit
+        /// (0x8000) is set in 16bppArgb1555 — callers that want pure-black/white treated as
+        /// transparent must run the bitmap through Utils.ConvertBmp first (mirrors the save path).
+        /// Per-row encoded cost: 2 ushorts header per opaque run + 1 ushort per opaque pixel + 2 end markers.
         /// </summary>
         /// <param name="bmp">The bitmap to validate</param>
-        /// <param name="estimatedSize">Estimated size in ushorts (output)</param>
-        /// <returns>True if the image should fit, false if it exceeds limits</returns>
+        /// <param name="estimatedSize">Encoded size in ushorts (output)</param>
+        /// <returns>True if the image fits, false if it exceeds limits</returns>
         public static unsafe bool ValidateStaticSize(Bitmap bmp, out int estimatedSize)
         {
             estimatedSize = 0;
@@ -50,14 +54,48 @@ public static unsafe bool ValidateStaticSize(Bitmap bmp, out int estimatedSize)
                 return true;
             }
 
-            // Estimate worst case: each scanline has full width of visible pixels
-            // Format: 2 ushorts for offset/run + width ushorts for data + 2 ushorts for end markers per line
-            int maxUshortsPerLine = 4 + bmp.Width;
-            estimatedSize = bmp.Height * maxUshortsPerLine;
+            BitmapData bd = bmp.LockBits(
+                new Rectangle(0, 0, bmp.Width, bmp.Height), ImageLockMode.ReadOnly, PixelFormat.Format16bppArgb1555);
 
-            // The lookup table uses 16-bit offsets, so we're limited to 65535 ushorts
-            const int maxUshorts = 65535;
+            int total = 0;
+            try
+            {
+                var line = (ushort*)bd.Scan0;
+                int delta = bd.Stride >> 1;
+
+                for (int y = 0; y < bmp.Height; ++y, line += delta)
+                {
+                    ushort* cur = line;
+                    int x = 0;
+                    while (x < bmp.Width)
+                    {
+                        while (x < bmp.Width && (cur[x] & 0x8000) == 0)
+                        {
+                            ++x;
+                        }
+                        if (x >= bmp.Width)
+                        {
+                            break;
+                        }
 
+                        int runStart = x;
+                        while (x < bmp.Width && (cur[x] & 0x8000) != 0)
+                        {
+                            ++x;
+                        }
+                        total += 2 + (x - runStart);
+                    }
+                    total += 2;
+                }
+            }
+            finally
+            {
+                bmp.UnlockBits(bd);
+            }
+
+            estimatedSize = total;
+
+            const int maxUshorts = 65535;
             return estimatedSize <= maxUshorts;
         }
 
diff --git a/UoFiddler.Controls/Classes/AppLog.cs b/UoFiddler.Controls/Classes/AppLog.cs
new file mode 100644
index 00000000..c2a6570b
--- /dev/null
+++ b/UoFiddler.Controls/Classes/AppLog.cs
@@ -0,0 +1,36 @@
+/***************************************************************************
+ *
+ * $Author: Turley
+ *
+ * "THE BEER-WARE LICENSE"
+ * As long as you retain this notice you can do whatever you want with
+ * this stuff. If we meet some day, and you think this stuff is worth it,
+ * you can buy me a beer in return.
+ *
+ ***************************************************************************/
+
+using System;
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Logging.Abstractions;
+
+namespace UoFiddler.Controls.Classes
+{
+    /// <summary>
+    /// Static logger façade for sites that cannot accept ILogger via constructor injection
+    /// (static helpers, designer-built UserControls, plugins instantiated via Activator).
+    /// Constructor-injectable types should take ILogger&lt;T&gt; directly instead of using this.
+    /// </summary>
+    public static class AppLog
+    {
+        private static ILoggerFactory _factory = NullLoggerFactory.Instance;
+
+        public static void Initialize(ILoggerFactory factory)
+        {
+            _factory = factory ?? NullLoggerFactory.Instance;
+        }
+
+        public static ILogger<T> For<T>() => _factory.CreateLogger<T>();
+
+        public static ILogger For(Type type) => _factory.CreateLogger(type.FullName);
+    }
+}
diff --git a/UoFiddler.Controls/Classes/DynamicItemsConfig.cs b/UoFiddler.Controls/Classes/DynamicItemsConfig.cs
index 16c8c4f0..fb1c928e 100644
--- a/UoFiddler.Controls/Classes/DynamicItemsConfig.cs
+++ b/UoFiddler.Controls/Classes/DynamicItemsConfig.cs
@@ -14,12 +14,14 @@
 using System.Globalization;
 using System.IO;
 using System.Xml;
+using Microsoft.Extensions.Logging;
 using Ultima;
 
 namespace UoFiddler.Controls.Classes
 {
     public static class DynamicItemsConfig
     {
+        private static readonly ILogger _log = AppLog.For(typeof(DynamicItemsConfig));
         private static bool _loaded;
 
         public static void EnsureLoaded()
@@ -33,7 +35,7 @@ public static void EnsureLoaded()
             string path = Path.Combine(Options.AppDataPath, "DynamicItems.xml");
             if (!File.Exists(path))
             {
-                Options.Logger?.Warning("DynamicItems.xml not found at {Path}", path);
+                _log.LogWarning("DynamicItems.xml not found at {Path}", path);
                 return;
             }
 
diff --git a/UoFiddler.Controls/Classes/Options.cs b/UoFiddler.Controls/Classes/Options.cs
index bcd74cf4..96d4e0d2 100644
--- a/UoFiddler.Controls/Classes/Options.cs
+++ b/UoFiddler.Controls/Classes/Options.cs
@@ -12,22 +12,11 @@
 using System.Collections.Generic;
 using System.Drawing;
 using System.IO;
-using Serilog;
 
 namespace UoFiddler.Controls.Classes
 {
     public static class Options
     {
-        /// <summary>
-        /// Logger instance
-        /// </summary>
-        public static ILogger Logger { get; private set; }
-
-        public static void SetLogger(ILogger logger)
-        {
-            Logger = logger;
-        }
-
         /// <summary>
         /// Defines Element Width in ItemShow
         /// </summary>
diff --git a/UoFiddler.Controls/Plugin/PluginBase.cs b/UoFiddler.Controls/Plugin/PluginBase.cs
index 1204d03c..44321854 100644
--- a/UoFiddler.Controls/Plugin/PluginBase.cs
+++ b/UoFiddler.Controls/Plugin/PluginBase.cs
@@ -10,6 +10,8 @@
  ***************************************************************************/
 
 using System.Windows.Forms;
+using Microsoft.Extensions.Logging;
+using UoFiddler.Controls.Classes;
 using UoFiddler.Controls.Plugin.Interfaces;
 
 namespace UoFiddler.Controls.Plugin
@@ -23,6 +25,12 @@ public abstract class PluginBase
         public abstract string Author { get; }
         public abstract string Version { get; }
 
+        /// <summary>
+        /// Per-plugin logger, categorized by the concrete plugin type. Resolved on demand
+        /// since plugins are instantiated via Activator and cannot take constructor parameters.
+        /// </summary>
+        protected ILogger Logger => AppLog.For(GetType());
+
         public abstract void Initialize();
         public abstract void Unload();
 
diff --git a/UoFiddler.Controls/Plugin/PluginServices.cs b/UoFiddler.Controls/Plugin/PluginServices.cs
index 958cc7fb..d21c4199 100644
--- a/UoFiddler.Controls/Plugin/PluginServices.cs
+++ b/UoFiddler.Controls/Plugin/PluginServices.cs
@@ -12,6 +12,7 @@
 using System;
 using System.IO;
 using System.Reflection;
+using Microsoft.Extensions.Logging;
 using UoFiddler.Controls.Classes;
 using UoFiddler.Controls.Plugin.Interfaces;
 using UoFiddler.Controls.UserControls;
@@ -21,6 +22,8 @@ namespace UoFiddler.Controls.Plugin
 {
     public class PluginServices : IPluginHost
     {
+        private static readonly ILogger _log = AppLog.For(typeof(PluginServices));
+
         /// <summary>
         /// A Collection of all Plugins Found
         /// </summary>
@@ -40,12 +43,12 @@ public void FindPlugins()
         /// <param name="path">Directory to search for Plugins in</param>
         public void FindPlugins(string path)
         {
-            Options.Logger.Information("FindPlugins - searching for plugins in [AppDomain.CurrentDomain.BaseDirectory = {Path}]", path);
+            _log.LogInformation("FindPlugins - searching for plugins in [AppDomain.CurrentDomain.BaseDirectory = {Path}]", path);
 
             AvailablePlugins.Clear();
             if (!Directory.Exists(path))
             {
-                Options.Logger.Warning("FindPlugins - plugin directory doesn't exist: {Path}", path);
+                _log.LogWarning("FindPlugins - plugin directory doesn't exist: {Path}", path);
                 return;
             }
 
@@ -57,7 +60,7 @@ public void FindPlugins(string path)
                 }
                 catch (Exception ex)
                 {
-                    Options.Logger.Fatal(ex, "FindPlugins - exception caught");
+                    _log.LogCritical(ex, "FindPlugins - exception caught");
                 }
             }
         }
@@ -74,7 +77,7 @@ public void ClosePlugins()
                     continue;
                 }
 
-                Options.Logger.Information("FindPlugins - disposing plugin: {Plugin}", plugin.Type.ToString());
+                _log.LogInformation("FindPlugins - disposing plugin: {Plugin}", plugin.Type.ToString());
                 plugin.Instance.Unload();
                 plugin.Instance = null;
             }
@@ -106,7 +109,7 @@ private void AddPlugin(string fileName)
 
                 if (Options.PluginsToLoad?.Contains(pluginType.ToString()) == true)
                 {
-                    Options.Logger.Information("FindPlugins - AddPlugin of type: {Type} from file: {FileName}", pluginType.ToString(), newPlugin.AssemblyPath);
+                    _log.LogInformation("FindPlugins - AddPlugin of type: {Type} from file: {FileName}", pluginType.ToString(), newPlugin.AssemblyPath);
                     newPlugin.CreateInstance();
                     newPlugin.Instance.Host = this;
                     newPlugin.Instance.Initialize();
diff --git a/UoFiddler.Controls/UoFiddler.Controls.csproj b/UoFiddler.Controls/UoFiddler.Controls.csproj
index 2ecc6e19..26402b76 100644
--- a/UoFiddler.Controls/UoFiddler.Controls.csproj
+++ b/UoFiddler.Controls/UoFiddler.Controls.csproj
@@ -427,9 +427,9 @@
 		<None Include="Resources\staticPlayButton.png" />
 	</ItemGroup>
 	<ItemGroup>
-		<PackageReference Include="Serilog" Version="4.3.1" />
-		<PackageReference Include="System.Drawing.Common" Version="10.0.5" />
-		<PackageReference Include="System.Resources.Extensions" Version="10.0.5" />
+		<PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="10.0.7" />
+		<PackageReference Include="System.Drawing.Common" Version="10.0.7" />
+		<PackageReference Include="System.Resources.Extensions" Version="10.0.7" />
 		<PackageReference Include="AnimatedGif" Version="1.0.5" />
 	</ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/UoFiddler.Controls/UserControls/ItemsControl.cs b/UoFiddler.Controls/UserControls/ItemsControl.cs
index 4a345a0d..7f0d636e 100644
--- a/UoFiddler.Controls/UserControls/ItemsControl.cs
+++ b/UoFiddler.Controls/UserControls/ItemsControl.cs
@@ -519,11 +519,11 @@ private void OnClickReplace(object sender, EventArgs e)
                         MessageBox.Show(
                             $"Image is too large for MUL format!\n\n" +
                             $"Image dimensions: {bitmap.Width}x{bitmap.Height}\n" +
-                            $"Estimated encoded size: {estimatedSize:N0} ushorts\n" +
+                            $"Encoded size: {estimatedSize:N0} ushorts\n" +
                             $"Maximum allowed: 65,535 ushorts\n\n" +
-                            $"Recommended maximum for solid color images: ~254x254 pixels\n" +
-                            $"Images with transparency can be larger.\n\n" +
-                            $"Please use a smaller image.",
+                            $"The static art format encodes opaque pixel runs only; cost per row is\n" +
+                            $"2 ushorts per run + 1 ushort per opaque pixel + 2 end markers.\n" +
+                            $"Reduce the image size or the amount of opaque content.",
                             "Image Too Large",
                             MessageBoxButtons.OK,
                             MessageBoxIcon.Warning);
diff --git a/UoFiddler.Plugin.Compare/UoFiddler.Plugin.Compare.csproj b/UoFiddler.Plugin.Compare/UoFiddler.Plugin.Compare.csproj
index 67a48ff1..214a6193 100644
--- a/UoFiddler.Plugin.Compare/UoFiddler.Plugin.Compare.csproj
+++ b/UoFiddler.Plugin.Compare/UoFiddler.Plugin.Compare.csproj
@@ -23,9 +23,6 @@
 		<OutputPath>..\UoFiddler\bin\$(Configuration)\plugins\</OutputPath>
 		<GenerateSerializationAssemblies>Off</GenerateSerializationAssemblies>
 	</PropertyGroup>
-	<ItemGroup>
-	  <PackageReference Include="Serilog" Version="4.3.1" />
-	</ItemGroup>
 	<ItemGroup>
 		<Compile Update="UserControls\CompareCliLocControl.cs">
 			<SubType>UserControl</SubType>
diff --git a/UoFiddler.Plugin.ExamplePlugin/UoFiddler.Plugin.ExamplePlugin.csproj b/UoFiddler.Plugin.ExamplePlugin/UoFiddler.Plugin.ExamplePlugin.csproj
index be6bb882..c5c94d00 100644
--- a/UoFiddler.Plugin.ExamplePlugin/UoFiddler.Plugin.ExamplePlugin.csproj
+++ b/UoFiddler.Plugin.ExamplePlugin/UoFiddler.Plugin.ExamplePlugin.csproj
@@ -20,9 +20,6 @@
 		<OutputPath>..\UoFiddler\bin\$(Configuration)\plugins\</OutputPath>
 		<GenerateSerializationAssemblies>Off</GenerateSerializationAssemblies>
 	</PropertyGroup>
-	<ItemGroup>
-	  <PackageReference Include="Serilog" Version="4.3.1" />
-	</ItemGroup>
 	<ItemGroup>
 		<Compile Update="Forms\ExampleForm.cs">
 			<SubType>Form</SubType>
diff --git a/UoFiddler.Plugin.MassImport/UoFiddler.Plugin.MassImport.csproj b/UoFiddler.Plugin.MassImport/UoFiddler.Plugin.MassImport.csproj
index d2255940..a9bc664b 100644
--- a/UoFiddler.Plugin.MassImport/UoFiddler.Plugin.MassImport.csproj
+++ b/UoFiddler.Plugin.MassImport/UoFiddler.Plugin.MassImport.csproj
@@ -25,9 +25,6 @@
 		<OutputPath>..\UoFiddler\bin\$(Configuration)\plugins\</OutputPath>
 		<GenerateSerializationAssemblies>Off</GenerateSerializationAssemblies>
 	</PropertyGroup>
-	<ItemGroup>
-	  <PackageReference Include="Serilog" Version="4.3.1" />
-	</ItemGroup>
 	<ItemGroup>
 		<Compile Update="Forms\MassImportForm.cs">
 			<SubType>Form</SubType>
diff --git a/UoFiddler.Plugin.MultiEditor/UoFiddler.Plugin.MultiEditor.csproj b/UoFiddler.Plugin.MultiEditor/UoFiddler.Plugin.MultiEditor.csproj
index 4cfa059e..50616991 100644
--- a/UoFiddler.Plugin.MultiEditor/UoFiddler.Plugin.MultiEditor.csproj
+++ b/UoFiddler.Plugin.MultiEditor/UoFiddler.Plugin.MultiEditor.csproj
@@ -71,7 +71,6 @@
 		</Content>
 	</ItemGroup>
 	<ItemGroup>
-	  <PackageReference Include="Serilog" Version="4.3.1" />
-	  <PackageReference Include="System.Resources.Extensions" Version="10.0.5" />
+	  <PackageReference Include="System.Resources.Extensions" Version="10.0.7" />
 	</ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/UoFiddler.Plugin.SendItem/UoFiddler.Plugin.SendItem.csproj b/UoFiddler.Plugin.SendItem/UoFiddler.Plugin.SendItem.csproj
index ed12a976..e26e6995 100644
--- a/UoFiddler.Plugin.SendItem/UoFiddler.Plugin.SendItem.csproj
+++ b/UoFiddler.Plugin.SendItem/UoFiddler.Plugin.SendItem.csproj
@@ -22,9 +22,6 @@
 		<OutputPath>..\UoFiddler\bin\$(Configuration)\plugins\</OutputPath>
 		<GenerateSerializationAssemblies>Off</GenerateSerializationAssemblies>
 	</PropertyGroup>
-	<ItemGroup>
-	  <PackageReference Include="Serilog" Version="4.3.1" />
-	</ItemGroup>
 	<ItemGroup>
 		<Compile Update="Forms\SendItemOptionsForm.cs">
 			<SubType>Form</SubType>
diff --git a/UoFiddler.Plugin.UopPacker/UoFiddler.Plugin.UopPacker.csproj b/UoFiddler.Plugin.UopPacker/UoFiddler.Plugin.UopPacker.csproj
index b1ee9161..3f9d0b60 100644
--- a/UoFiddler.Plugin.UopPacker/UoFiddler.Plugin.UopPacker.csproj
+++ b/UoFiddler.Plugin.UopPacker/UoFiddler.Plugin.UopPacker.csproj
@@ -23,7 +23,7 @@
 		<GenerateSerializationAssemblies>Off</GenerateSerializationAssemblies>
 	</PropertyGroup>
 	<ItemGroup>
-	  <PackageReference Include="Serilog" Version="4.3.1" />
+	  <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="10.0.7" />
 	</ItemGroup>
 	<ItemGroup>
 		<ProjectReference Include="..\Ultima\Ultima.csproj">
diff --git a/UoFiddler.Plugin.UopPacker/UserControls/UopPackerControl.Designer.cs b/UoFiddler.Plugin.UopPacker/UserControls/UopPackerControl.Designer.cs
index 806c13f1..35f34c2e 100644
--- a/UoFiddler.Plugin.UopPacker/UserControls/UopPackerControl.Designer.cs
+++ b/UoFiddler.Plugin.UopPacker/UserControls/UopPackerControl.Designer.cs
@@ -39,6 +39,8 @@ protected override void Dispose(bool disposing)
         /// </summary>
         private void InitializeComponent()
         {
+            components = new System.ComponentModel.Container();
+            System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(UopPackerControl));
             label1 = new System.Windows.Forms.Label();
             label2 = new System.Windows.Forms.Label();
             inmul = new System.Windows.Forms.TextBox();
@@ -85,6 +87,8 @@ private void InitializeComponent()
             SelectFolderButton = new System.Windows.Forms.Button();
             ExtractSingleFileTabPage = new System.Windows.Forms.TabPage();
             compressionBox = new System.Windows.Forms.ComboBox();
+            compressionLabel = new System.Windows.Forms.Label();
+            compressionTip = new System.Windows.Forms.ToolTip(components);
             MainStatusStrip = new System.Windows.Forms.StatusStrip();
             toolStripStatusLabel1 = new System.Windows.Forms.ToolStripStatusLabel();
             guilabel = new System.Windows.Forms.ToolStripStatusLabel();
@@ -557,6 +561,7 @@ private void InitializeComponent()
             // ExtractSingleFileTabPage
             // 
             ExtractSingleFileTabPage.Controls.Add(compressionBox);
+            ExtractSingleFileTabPage.Controls.Add(compressionLabel);
             ExtractSingleFileTabPage.Controls.Add(label1);
             ExtractSingleFileTabPage.Controls.Add(label2);
             ExtractSingleFileTabPage.Controls.Add(inmul);
@@ -601,13 +606,32 @@ private void InitializeComponent()
             // compressionBox
             // 
             compressionBox.BackColor = System.Drawing.Color.White;
+            compressionBox.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
             compressionBox.Items.AddRange(new object[] { "None", "Zlib", "Mythic" });
             compressionBox.Location = new System.Drawing.Point(168, 158);
             compressionBox.Margin = new System.Windows.Forms.Padding(4, 3, 4, 3);
             compressionBox.Name = "compressionBox";
             compressionBox.Size = new System.Drawing.Size(191, 23);
             compressionBox.TabIndex = 8;
-            compressionBox.Text = "None";
+            compressionTip.SetToolTip(compressionBox, resources.GetString("compressionBox.ToolTip"));
+            // 
+            // compressionLabel
+            // 
+            compressionLabel.AutoSize = true;
+            compressionLabel.ForeColor = System.Drawing.SystemColors.GrayText;
+            compressionLabel.Location = new System.Drawing.Point(365, 161);
+            compressionLabel.Margin = new System.Windows.Forms.Padding(4, 0, 4, 0);
+            compressionLabel.Name = "compressionLabel";
+            compressionLabel.Size = new System.Drawing.Size(20, 15);
+            compressionLabel.TabIndex = 46;
+            compressionLabel.Text = "(?)";
+            compressionTip.SetToolTip(compressionLabel, resources.GetString("compressionLabel.ToolTip"));
+            // 
+            // compressionTip
+            // 
+            compressionTip.AutoPopDelay = 20000;
+            compressionTip.InitialDelay = 400;
+            compressionTip.ReshowDelay = 200;
             // 
             // MainStatusStrip
             // 
@@ -740,6 +764,8 @@ private void InitializeComponent()
         private System.Windows.Forms.ComboBox uoptype;
         private System.Windows.Forms.ToolStripStatusLabel VersionLabel;
         private System.Windows.Forms.ComboBox compressionBox;
+        private System.Windows.Forms.Label compressionLabel;
+        private System.Windows.Forms.ToolTip compressionTip;
         private System.Windows.Forms.TextBox inhousingbin;
         private System.Windows.Forms.Button inhousingbinbtn;
         private System.Windows.Forms.Label labelHousingBin;
diff --git a/UoFiddler.Plugin.UopPacker/UserControls/UopPackerControl.cs b/UoFiddler.Plugin.UopPacker/UserControls/UopPackerControl.cs
index 14b697f9..e5a18879 100644
--- a/UoFiddler.Plugin.UopPacker/UserControls/UopPackerControl.cs
+++ b/UoFiddler.Plugin.UopPacker/UserControls/UopPackerControl.cs
@@ -12,7 +12,7 @@
 using System;
 using System.IO;
 using System.Windows.Forms;
-using Serilog;
+using Microsoft.Extensions.Logging;
 using Ultima;
 using UoFiddler.Controls.Classes;
 using UoFiddler.Controls.Forms;
@@ -481,9 +481,9 @@ private void Pack(string inFile, string inIdx, string outFile, FileType type, in
 
         private static void LogConverterError(Exception ex, string operation, string input, string output, FileType type)
         {
-            ILogger logger = Options.Logger;
+            ILogger logger = AppLog.For(typeof(UopPackerControl));
 
-            logger?.Error(ex, "UopPacker {Operation} failed (type={FileType}, input={Input}, output={Output})",
+            logger.LogError(ex, "UopPacker {Operation} failed (type={FileType}, input={Input}, output={Output})",
                 operation, type, input, output);
         }
 
diff --git a/UoFiddler.Plugin.UopPacker/UserControls/UopPackerControl.resx b/UoFiddler.Plugin.UopPacker/UserControls/UopPackerControl.resx
index 4cbd8996..02402dfe 100644
--- a/UoFiddler.Plugin.UopPacker/UserControls/UopPackerControl.resx
+++ b/UoFiddler.Plugin.UopPacker/UserControls/UopPackerControl.resx
@@ -118,15 +118,36 @@
     <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </resheader>
   <metadata name="FileDialog.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
-    <value>17, 17</value>
+    <value>155, 17</value>
   </metadata>
   <metadata name="ExtractionStatusStrip.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
-    <value>347, 17</value>
+    <value>519, 17</value>
+  </metadata>
+  <metadata name="compressionTip.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+    <value>17, 17</value>
   </metadata>
+  <data name="compressionBox.ToolTip" xml:space="preserve">
+    <value>Pick the compression that matches the original UOP for the file type:
+  Art / Map / Sound: None
+  Gumpart: None on older clients, Mythic on newer clients (New Legacy 7.0.103)
+  MultiCollection: Zlib
+Picking the wrong option produces a UOP that is much larger than the original or unreadable by the client.
+</value>
+  </data>
+  <data name="compressionLabel.ToolTip" xml:space="preserve">
+    <value>Pick the compression that matches the original UOP for the file type:
+  Art / Map / Sound: None
+  Gumpart: None on older clients, Mythic on newer clients (New Legacy 7.0.103)
+  MultiCollection: Zlib
+Picking the wrong option produces a UOP that is much larger than the original or unreadable by the client.</value>
+  </data>
   <metadata name="MainStatusStrip.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
-    <value>116, 17</value>
+    <value>261, 17</value>
   </metadata>
   <metadata name="FolderDialog.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
-    <value>232, 17</value>
+    <value>398, 17</value>
+  </metadata>
+  <metadata name="$this.TrayHeight" type="System.Int32, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
+    <value>25</value>
   </metadata>
 </root>
\ No newline at end of file
diff --git a/UoFiddler/Classes/FiddlerOptions.cs b/UoFiddler/Classes/FiddlerOptions.cs
index 254d1722..ee361531 100644
--- a/UoFiddler/Classes/FiddlerOptions.cs
+++ b/UoFiddler/Classes/FiddlerOptions.cs
@@ -15,27 +15,21 @@
 using System.IO;
 using System.Windows.Forms;
 using System.Xml;
+using Microsoft.Extensions.Logging;
 using Ultima;
-using UoFiddler.Controls.Classes;
-using Serilog;
 using Ultima.Helpers;
+using UoFiddler.Controls.Classes;
 
 namespace UoFiddler.Classes
 {
     public static class FiddlerOptions
     {
+        private static readonly ILogger _log = AppLog.For(typeof(FiddlerOptions));
+
         public static List<ExternTool> ExternTools { get; private set; }
 
         public static Version AppVersion => typeof(FiddlerOptions).Assembly.GetName().Version;
 
-        public static ILogger Logger { get; private set; }
-
-        internal static void SetLogger(ILogger logger)
-        {
-            Logger = logger;
-            Options.SetLogger(logger);
-        }
-
         /// <summary>
         /// Defines if an Update Check should be made on startup
         /// </summary>
@@ -56,11 +50,11 @@ private static void MoveFiles(IEnumerable<FileInfo> files, string path)
                 string destFileName = Path.Combine(path, file.Name);
                 if (File.Exists(destFileName))
                 {
-                    Logger.Information("MoveFiles. File exists. Skipping: {File}", destFileName);
+                    _log.LogInformation("MoveFiles. File exists. Skipping: {File}", destFileName);
                     continue;
                 }
 
-                Logger.Information("MoveFiles. Copying file: {File}", destFileName);
+                _log.LogInformation("MoveFiles. Copying file: {File}", destFileName);
                 file.CopyTo(destFileName);
             }
         }
@@ -69,14 +63,14 @@ public static void Startup()
         {
             if (!Directory.Exists(Options.AppDataPath))
             {
-                Logger.Information("Creating main app data path {AppDataPath}", Options.AppDataPath);
+                _log.LogInformation("Creating main app data path {AppDataPath}", Options.AppDataPath);
                 Directory.CreateDirectory(Options.AppDataPath);
             }
 
             string plugInPath = Path.Combine(Options.AppDataPath, "plugins");
             if (!Directory.Exists(plugInPath))
             {
-                Logger.Information("Creating app data plugin {AppDataPath}", plugInPath);
+                _log.LogInformation("Creating app data plugin {AppDataPath}", plugInPath);
                 Directory.CreateDirectory(plugInPath);
             }
 
@@ -93,7 +87,7 @@ public static void Startup()
             string fileName = Path.Combine(Options.AppDataPath, "Options_default.xml");
             if (!File.Exists(fileName))
             {
-                Logger.Fatal("Can't find default profile file: {FileName}", fileName);
+                _log.LogCritical("Can't find default profile file: {FileName}", fileName);
                 throw new FileNotFoundException($"Can't load default profile file {fileName}", "Options_default.xml");
             }
 
@@ -104,12 +98,12 @@ public static void SaveProfile()
         {
             if (Options.ProfileName is null)
             {
-                Logger.Warning("SaveProfile - ProfileName is null!");
+                _log.LogWarning("SaveProfile - ProfileName is null!");
                 return;
             }
 
             string fileName = Path.Combine(Options.AppDataPath, Options.ProfileName);
-            Logger.Information("SaveProfile - start {Filename}", fileName);
+            _log.LogInformation("SaveProfile - start {Filename}", fileName);
 
             XmlDocument dom = new XmlDocument();
             XmlDeclaration decl = dom.CreateXmlDeclaration("1.0", "utf-8", null);
@@ -231,7 +225,7 @@ public static void SaveProfile()
             {
                 foreach (string plugIn in Options.PluginsToLoad)
                 {
-                    Logger.Information("SaveProfile - saving plugin {PlugIn}", plugIn);
+                    _log.LogInformation("SaveProfile - saving plugin {PlugIn}", plugIn);
                     XmlElement xmlPlugin = dom.CreateElement("Plugin");
                     xmlPlugin.SetAttribute("name", plugIn);
                     sr.AppendChild(xmlPlugin);
@@ -286,17 +280,17 @@ public static void SaveProfile()
             sr.AppendChild(elem);
 
             dom.Save(fileName);
-            Logger.Information("SaveProfile - done {Filename}", fileName);
+            _log.LogInformation("SaveProfile - done {Filename}", fileName);
         }
 
         public static void LoadProfile(string filename)
         {
-            Logger.Information("LoadProfile - start: {Filename}", filename);
+            _log.LogInformation("LoadProfile - start: {Filename}", filename);
 
             string fileName = Path.Combine(Options.AppDataPath, filename);
             if (!File.Exists(fileName))
             {
-                Logger.Warning("LoadProfile: profile file doesn't exist: {Filename}", filename);
+                _log.LogWarning("LoadProfile: profile file doesn't exist: {Filename}", filename);
                 return;
             }
 
@@ -422,7 +416,7 @@ public static void LoadProfile(string filename)
             foreach (XmlElement xPlug in xOptions.SelectNodes("Plugin"))
             {
                 string name = xPlug.GetAttribute("name");
-                Logger.Information("LoadProfile: adding plugin to load: {PluginName}", name);
+                _log.LogInformation("LoadProfile: adding plugin to load: {PluginName}", name);
                 Options.PluginsToLoad.Add(name);
             }
 
@@ -458,7 +452,7 @@ public static void LoadProfile(string filename)
 
             MapHelper.CheckForNewMapSize();
 
-            Logger.Information("LoadProfile - done: {Filename}", filename);
+            _log.LogInformation("LoadProfile - done: {Filename}", filename);
         }
     }
 }
diff --git a/UoFiddler/Classes/UpdateRunner.cs b/UoFiddler/Classes/UpdateRunner.cs
index de1d7fcf..7abb810a 100644
--- a/UoFiddler/Classes/UpdateRunner.cs
+++ b/UoFiddler/Classes/UpdateRunner.cs
@@ -2,11 +2,15 @@
 using System.Diagnostics;
 using System.Threading.Tasks;
 using System.Windows.Forms;
+using Microsoft.Extensions.Logging;
+using UoFiddler.Controls.Classes;
 
 namespace UoFiddler.Classes
 {
     internal static class UpdateRunner
     {
+        private static readonly ILogger _log = AppLog.For(typeof(UpdateRunner));
+
         public static async Task RunAsync(string repositoryOwner, string repositoryName, Version currentVersion, bool upToDateNotification = true)
         {
             const string updateCheckCaption = "Check for update";
@@ -51,7 +55,7 @@ public static async Task RunAsync(string repositoryOwner, string repositoryName,
                     MessageBox.Show("Update check failed. Check application log for details.", updateCheckCaption);
                 }
 
-                FiddlerOptions.Logger.Error(ex, "Update check failed");
+                _log.LogError(ex, "Update check failed");
             }
         }
     }
diff --git a/UoFiddler/FiddlerAppContext.cs b/UoFiddler/FiddlerAppContext.cs
index 12fa9c0b..adb6ca3b 100644
--- a/UoFiddler/FiddlerAppContext.cs
+++ b/UoFiddler/FiddlerAppContext.cs
@@ -1,9 +1,9 @@
-/***************************************************************************
+/***************************************************************************
  *
  * $Author: Turley
- * 
+ *
  * "THE BEER-WARE LICENSE"
- * As long as you retain this notice you can do whatever you want with 
+ * As long as you retain this notice you can do whatever you want with
  * this stuff. If we meet some day, and you think this stuff is worth it,
  * you can buy me a beer in return.
  *
@@ -11,7 +11,8 @@
 
 using System;
 using System.Windows.Forms;
-using Serilog;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Logging;
 using UoFiddler.Classes;
 using UoFiddler.Controls.Classes;
 using UoFiddler.Controls.UserControls;
@@ -21,37 +22,37 @@ namespace UoFiddler
 {
     internal sealed class FiddlerAppContext : ApplicationContext
     {
-        private readonly ILogger _logger;
+        private readonly ILogger<FiddlerAppContext> _logger;
 
-        internal FiddlerAppContext(ILogger logger)
+        internal FiddlerAppContext(IServiceProvider services)
         {
-            _logger = logger;
+            AppLog.Initialize(services.GetRequiredService<ILoggerFactory>());
+            _logger = services.GetRequiredService<ILogger<FiddlerAppContext>>();
 
             Application.SetHighDpiMode(HighDpiMode.SystemAware);
             Application.EnableVisualStyles();
             Application.SetCompatibleTextRenderingDefault(false);
             Application.ApplicationExit += OnApplicationExit;
 
-            FiddlerOptions.SetLogger(_logger);
             FiddlerOptions.Startup();
 
-            _logger.Information("Starting loading profile form...");
-            var profile = new LoadProfileForm { TopMost = true };
+            _logger.LogInformation("Starting loading profile form...");
+            var profile = new LoadProfileForm(services.GetRequiredService<ILogger<LoadProfileForm>>()) { TopMost = true };
             var profileResult = profile.ShowDialog();
             if (profileResult == DialogResult.Cancel)
             {
-                _logger.Information("No profile loaded... exiting");
+                _logger.LogInformation("No profile loaded... exiting");
                 return;
             }
 
             if (FiddlerOptions.UpdateCheckOnStart)
             {
-                _logger.Information("Update check. Current version is {Version}", FiddlerOptions.AppVersion);
+                _logger.LogInformation("Update check. Current version is {Version}", FiddlerOptions.AppVersion);
                 UpdateRunner.RunAsync(FiddlerOptions.RepositoryOwner, FiddlerOptions.RepositoryName, FiddlerOptions.AppVersion, false).GetAwaiter().GetResult();
             }
 
-            _logger.Information("Starting main form...");
-            MainForm = new MainForm
+            _logger.LogInformation("Starting main form...");
+            MainForm = new MainForm(services.GetRequiredService<ILogger<MainForm>>())
             {
                 Text = $"{Application.ProductName} (Profile: {Options.ProfileName.Replace("Options_", "").Replace(".xml", "")})"
             };
@@ -62,7 +63,7 @@ private void OnApplicationExit(object sender, EventArgs e)
         {
             FiddlerOptions.SaveProfile();
             MapControl.SaveMapOverlays();
-            _logger.Information("UOFiddler - Application exit");
+            _logger.LogInformation("UOFiddler - Application exit");
         }
     }
-}
\ No newline at end of file
+}
diff --git a/UoFiddler/Forms/AboutBoxForm.resx b/UoFiddler/Forms/AboutBoxForm.resx
index 47a0bc6e..46d41fcb 100644
--- a/UoFiddler/Forms/AboutBoxForm.resx
+++ b/UoFiddler/Forms/AboutBoxForm.resx
@@ -118,7 +118,12 @@
     <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </resheader>
   <data name="richTextBox1.Text" xml:space="preserve">
-    <value>Version 4.19.1
+    <value>Version 4.19.2
+- Fix validation when adding and replacing images in Items and Land tiles tabs.
+- Added tooltips explaining compression settings in UopPacker plugin.
+- Minor fixes to internal logger construction.
+
+Version 4.19.1
 - UopPacker: added save support for MultiCollection.uop (including housing.bin) and refreshed the plugin UI.
 - Map copy/replace dialog now supports UOP map files. #105
 - Added "Replace from folder" bulk action for Items and Land Tiles tabs. #102
diff --git a/UoFiddler/Forms/LoadProfileForm.cs b/UoFiddler/Forms/LoadProfileForm.cs
index 9b3fb64f..01a94f04 100644
--- a/UoFiddler/Forms/LoadProfileForm.cs
+++ b/UoFiddler/Forms/LoadProfileForm.cs
@@ -12,6 +12,7 @@
 using System;
 using System.IO;
 using System.Windows.Forms;
+using Microsoft.Extensions.Logging;
 using UoFiddler.Controls.Classes;
 using UoFiddler.Classes;
 
@@ -20,14 +21,18 @@ namespace UoFiddler.Forms
     public partial class LoadProfileForm : Form
     {
         private readonly string[] _profiles;
+        private readonly ILogger<LoadProfileForm> _log;
 
-        public LoadProfileForm()
+        public LoadProfileForm() : this(AppLog.For<LoadProfileForm>()) { }
+
+        public LoadProfileForm(ILogger<LoadProfileForm> logger)
         {
+            _log = logger;
             InitializeComponent();
 
             Icon = Options.GetFiddlerIcon();
             _profiles = GetProfiles();
-            FiddlerOptions.Logger.Information("Found profiles: {Profiles}", _profiles);
+            _log.LogInformation("Found profiles: {Profiles}", _profiles);
 
             foreach (string profile in _profiles)
             {
@@ -67,7 +72,7 @@ private void LoadSelectedProfile()
             }
 
             Options.ProfileName = $"{_profiles[comboBoxLoad.SelectedIndex]}.xml";
-            FiddlerOptions.Logger.Information("Loading profile: {ProfileName}", Options.ProfileName);
+            _log.LogInformation("Loading profile: {ProfileName}", Options.ProfileName);
             FiddlerOptions.LoadProfile($"{_profiles[comboBoxLoad.SelectedIndex]}.xml");
 
             Close();
@@ -82,7 +87,7 @@ private void OnClickCreate(object sender, EventArgs e)
             }
 
             Options.ProfileName = $"Options_{textBoxCreate.Text}.xml";
-            FiddlerOptions.Logger.Information("Creating profile: {ProfileName}", Options.ProfileName);
+            _log.LogInformation("Creating profile: {ProfileName}", Options.ProfileName);
             FiddlerOptions.LoadProfile($"{_profiles[comboBoxBasedOn.SelectedIndex]}.xml");
 
             Close();
diff --git a/UoFiddler/Forms/MainForm.cs b/UoFiddler/Forms/MainForm.cs
index 04567475..5ed75eee 100644
--- a/UoFiddler/Forms/MainForm.cs
+++ b/UoFiddler/Forms/MainForm.cs
@@ -15,6 +15,7 @@
 using System.Linq;
 using System.Runtime.InteropServices;
 using System.Windows.Forms;
+using Microsoft.Extensions.Logging;
 using Ultima;
 using Ultima.Helpers;
 using UoFiddler.Classes;
@@ -41,8 +42,13 @@ private struct NativeRect { public int Left, Top, Right, Bottom; }
         private const int WM_LBUTTONUP   = 0x0202;
         private const int MK_LBUTTON     = 0x0001;
 
-        public MainForm()
+        private readonly ILogger<MainForm> _log;
+
+        public MainForm() : this(AppLog.For<MainForm>()) { }
+
+        public MainForm(ILogger<MainForm> logger)
         {
+            _log = logger;
             InitializeComponent();
 
             if (FiddlerOptions.StoreFormState)
@@ -461,7 +467,7 @@ private void OnClickManagePlugins(object sender, EventArgs e)
 
         private void OnClosing(object sender, FormClosingEventArgs e)
         {
-            FiddlerOptions.Logger.Information("MainForm - OnClosing - start");
+            _log.LogInformation("MainForm - OnClosing - start");
             string files = Options.ChangedUltimaClass
                                     .Where(key => key.Value)
                                     .Aggregate(string.Empty, (current, key) => current + $"- {key.Key} \r\n");
@@ -483,10 +489,10 @@ private void OnClosing(object sender, FormClosingEventArgs e)
             FiddlerOptions.FormPosition = Location;
             FiddlerOptions.FormSize = Size;
 
-            FiddlerOptions.Logger.Information("MainForm - OnClosing - unloading plugins");
+            _log.LogInformation("MainForm - OnClosing - unloading plugins");
             GlobalPlugins.Plugins.ClosePlugins();
 
-            FiddlerOptions.Logger.Information("MainForm - OnClosing - done");
+            _log.LogInformation("MainForm - OnClosing - done");
         }
 
         private static bool IsOkFormStateLocation(Point loc, Size size)
diff --git a/UoFiddler/Forms/ManagePluginsForm.cs b/UoFiddler/Forms/ManagePluginsForm.cs
index 1af30bf4..a1d2cb39 100644
--- a/UoFiddler/Forms/ManagePluginsForm.cs
+++ b/UoFiddler/Forms/ManagePluginsForm.cs
@@ -12,7 +12,7 @@
 using System;
 using System.Drawing;
 using System.Windows.Forms;
-using UoFiddler.Classes;
+using Microsoft.Extensions.Logging;
 using UoFiddler.Controls.Classes;
 using UoFiddler.Controls.Plugin;
 
@@ -20,6 +20,8 @@ namespace UoFiddler.Forms
 {
     public partial class ManagePluginsForm : Form
     {
+        private static readonly ILogger _log = AppLog.For(typeof(ManagePluginsForm));
+
         public ManagePluginsForm()
         {
             InitializeComponent();
@@ -30,7 +32,7 @@ public ManagePluginsForm()
                 bool loaded = true;
                 if (plugin.Instance == null)
                 {
-                    FiddlerOptions.Logger.Information("ManagePlugins - creating plugin instance: {Plugin} path: {AssemblyPath}", plugin.Type, plugin.AssemblyPath);
+                    _log.LogInformation("ManagePlugins - creating plugin instance: {Plugin} path: {AssemblyPath}", plugin.Type, plugin.AssemblyPath);
                     plugin.CreateInstance();
                     loaded = false;
                 }
@@ -75,7 +77,7 @@ private void OnClosing(object sender, FormClosingEventArgs e)
                 {
                     if (checkedListBox1.CheckedItems.Contains(plug.Instance.Name))
                     {
-                        FiddlerOptions.Logger.Information("ManagePlugins - adding plugin to profile: {Plugin}", plug.Type.ToString());
+                        _log.LogInformation("ManagePlugins - adding plugin to profile: {Plugin}", plug.Type.ToString());
                         Options.PluginsToLoad.Add(plug.Type.ToString());
                     }
 
@@ -85,7 +87,7 @@ private void OnClosing(object sender, FormClosingEventArgs e)
                 {
                     if (!checkedListBox1.CheckedItems.Contains(plug.Instance.Name))
                     {
-                        FiddlerOptions.Logger.Information("ManagePlugins - removing plugin from profile: {Plugin}", plug.Type.ToString());
+                        _log.LogInformation("ManagePlugins - removing plugin from profile: {Plugin}", plug.Type.ToString());
                         Options.PluginsToLoad.Remove(plug.Type.ToString());
                     }
                 }
diff --git a/UoFiddler/Program.cs b/UoFiddler/Program.cs
index d3fc5757..fc8b7b48 100644
--- a/UoFiddler/Program.cs
+++ b/UoFiddler/Program.cs
@@ -1,58 +1,63 @@
-/***************************************************************************
- *
- * $Author: Turley
- * 
- * "THE BEER-WARE LICENSE"
- * As long as you retain this notice you can do whatever you want with 
- * this stuff. If we meet some day, and you think this stuff is worth it,
- * you can buy me a beer in return.
- *
- ***************************************************************************/
-
-using System;
-using System.IO;
-using System.Text;
-using System.Windows.Forms;
-using Serilog;
-using UoFiddler.Forms;
-
-namespace UoFiddler
-{
-    internal static class Program
-    {
-        /// <summary>
-        /// The main entry point for the application.
-        /// </summary>
-        [STAThread]
-        private static void Main()
-        {
-            string fiddlerAppDataPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), "UoFiddler");
-            string logFileName = Path.Combine(fiddlerAppDataPath, "log", "uo-fiddler-log.txt");
-
-            var logger = new LoggerConfiguration()
-                                .MinimumLevel.Information()
-                                .WriteTo.File(logFileName,
-                                              fileSizeLimitBytes: 44040192,
-                                              rollingInterval: RollingInterval.Day,
-                                              rollOnFileSizeLimit: true)
-                                .CreateLogger();
-
-            logger.Information("UOFiddler - Application start");
-
-            Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);
-
-            try
-            {
-                FiddlerAppContext fiddlerAppContext = new FiddlerAppContext(logger);
-                Application.Run(fiddlerAppContext);
-            }
-            catch (Exception err)
-            {
-                Clipboard.SetDataObject(err.ToString(), true);
-                logger.Fatal(err, "UOFiddler - unhandled exception caught!");
-                Application.Run(new ExceptionForm(err));
-                logger.Fatal("UOFiddler - unhandled exception - Application exit");
-            }
-        }
-    }
-}
\ No newline at end of file
+/***************************************************************************
+ *
+ * $Author: Turley
+ *
+ * "THE BEER-WARE LICENSE"
+ * As long as you retain this notice you can do whatever you want with
+ * this stuff. If we meet some day, and you think this stuff is worth it,
+ * you can buy me a beer in return.
+ *
+ ***************************************************************************/
+
+using System;
+using System.IO;
+using System.Text;
+using System.Windows.Forms;
+using Microsoft.Extensions.DependencyInjection;
+using Serilog;
+using UoFiddler.Forms;
+
+namespace UoFiddler
+{
+    internal static class Program
+    {
+        /// <summary>
+        /// The main entry point for the application.
+        /// </summary>
+        [STAThread]
+        private static void Main()
+        {
+            string fiddlerAppDataPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), "UoFiddler");
+            string logFileName = Path.Combine(fiddlerAppDataPath, "log", "uo-fiddler-log.txt");
+
+            var serilogLogger = new LoggerConfiguration()
+                                .MinimumLevel.Information()
+                                .WriteTo.File(logFileName,
+                                              fileSizeLimitBytes: 44040192,
+                                              rollingInterval: RollingInterval.Day,
+                                              rollOnFileSizeLimit: true)
+                                .CreateLogger();
+
+            serilogLogger.Information("UOFiddler - Application start");
+
+            Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);
+
+            var services = new ServiceCollection();
+            services.AddLogging(b => b.AddSerilog(serilogLogger, dispose: true));
+            using var serviceProvider = services.BuildServiceProvider();
+
+            try
+            {
+                FiddlerAppContext fiddlerAppContext = new FiddlerAppContext(serviceProvider);
+                Application.Run(fiddlerAppContext);
+            }
+            catch (Exception err)
+            {
+                Clipboard.SetDataObject(err.ToString(), true);
+                serilogLogger.Fatal(err, "UOFiddler - unhandled exception caught!");
+                Application.Run(new ExceptionForm(err));
+                serilogLogger.Fatal("UOFiddler - unhandled exception - Application exit");
+            }
+        }
+    }
+}
diff --git a/UoFiddler/UoFiddler.csproj b/UoFiddler/UoFiddler.csproj
index 9ac78ff6..93c29dc0 100644
--- a/UoFiddler/UoFiddler.csproj
+++ b/UoFiddler/UoFiddler.csproj
@@ -9,9 +9,9 @@
 		<AssemblyTitle>UoFiddler</AssemblyTitle>
 		<Product>UoFiddler</Product>
 		<Copyright>Copyright © 2026</Copyright>
-		<AssemblyVersion>4.19.1</AssemblyVersion>
-		<FileVersion>4.19.1</FileVersion>
-		<Version>4.19.1</Version>
+		<AssemblyVersion>4.19.2</AssemblyVersion>
+		<FileVersion>4.19.2</FileVersion>
+		<Version>4.19.2</Version>
 		<GenerateResourceUsePreserializedResources>true</GenerateResourceUsePreserializedResources>
 	</PropertyGroup>
 	<PropertyGroup>
@@ -153,10 +153,13 @@
 		</None>
 	</ItemGroup>
 	<ItemGroup>
+		<PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="10.0.7" />
+		<PackageReference Include="Microsoft.Extensions.Logging" Version="10.0.7" />
 		<PackageReference Include="Octokit" Version="14.0.0" />
 		<PackageReference Include="Serilog" Version="4.3.1" />
+		<PackageReference Include="Serilog.Extensions.Logging" Version="10.0.0" />
 		<PackageReference Include="Serilog.Sinks.File" Version="7.0.0" />
-		<PackageReference Include="System.Resources.Extensions" Version="10.0.5" />
+		<PackageReference Include="System.Resources.Extensions" Version="10.0.7" />
 	</ItemGroup>
 	<ItemGroup>
 		<None Update="Gumplist.xml">