diff --git a/src/Consolonia.Core/Drawing/DrawingContextImpl.cs b/src/Consolonia.Core/Drawing/DrawingContextImpl.cs
index f091900e..00c6811c 100644
--- a/src/Consolonia.Core/Drawing/DrawingContextImpl.cs
+++ b/src/Consolonia.Core/Drawing/DrawingContextImpl.cs
@@ -210,8 +210,7 @@ public void DrawGlyphRun(IBrush foreground, IGlyphRunImpl glyphRun)
                 return;
             }
 
-            var shapedBuffer = glyphRunImpl.GlyphInfos as ShapedBuffer;
-            ArgumentNullException.ThrowIfNull(shapedBuffer);
+            var shapedBuffer = (ShapedBuffer)glyphRunImpl.GlyphInfos;
             string text = shapedBuffer.Text.ToString();
             DrawStringInternal(foreground, text, glyphRun.GlyphTypeface);
         }
diff --git a/src/Consolonia.Core/Infrastructure/InputLessDefaultNetConsole.cs b/src/Consolonia.Core/Infrastructure/InputLessDefaultNetConsole.cs
index d94589c1..a97e9f59 100644
--- a/src/Consolonia.Core/Infrastructure/InputLessDefaultNetConsole.cs
+++ b/src/Consolonia.Core/Infrastructure/InputLessDefaultNetConsole.cs
@@ -1,4 +1,5 @@
 using System;
+using System.IO;
 using System.Text;
 using System.Threading.Tasks;
 using Avalonia;
@@ -53,27 +54,18 @@ public bool SupportsComplexEmoji
             {
                 if (_supportEmoji == null)
                 {
-#pragma warning disable CA1031 // Do not catch general exception types
-                    try
-                    {
-                        // Detect complex emoji support by writing a complex emoji and checking cursor position.
-                        // If the cursor moves 2 positions, it indicates proper rendering of composite surrogate pairs.
-                        (int left, int top) = Console.GetCursorPosition();
-                        WriteText(
-                            $"{Esc.Foreground(Colors.Transparent)}{Esc.Background(Colors.Transparent)}{TestEmoji}");
-
-                        // TODO, escape sequence
-                        (int left2, _) = Console.GetCursorPosition();
-                        _supportEmoji = left2 - left == 2;
-                        Console.SetCursorPosition(left, top);
-                    }
-                    catch (Exception)
-                    {
-                        _supportEmoji = true;
-                    }
+                    // Detect complex emoji support by writing a complex emoji and checking cursor position.
+                    // If the cursor moves 2 positions, it indicates proper rendering of composite surrogate pairs.
+                    (int left, int top) = Console.GetCursorPosition();
+                    WriteText(
+                        $"{Esc.Foreground(Colors.Transparent)}{Esc.Background(Colors.Transparent)}{TestEmoji}");
+
+                    // TODO, escape sequence
+                    (int left2, _) = Console.GetCursorPosition();
+                    _supportEmoji = left2 - left == 2;
+                    Console.SetCursorPosition(left, top);
 
                     WriteText(Esc.ClearScreen);
-#pragma warning restore CA1031 // Do not catch general exception types
                 }
 
                 return _supportEmoji ?? true;
@@ -82,16 +74,7 @@ public bool SupportsComplexEmoji
 
         public void SetTitle(string title)
         {
-#pragma warning disable CA1031 // Do not catch general exception types
-            try
-            {
-                Console.Title = title;
-            }
-            catch (Exception)
-            {
-                // ignored
-            }
-#pragma warning restore CA1031 // Do not catch general exception types
+            Console.Title = title;
         }
 
         public void SetCaretPosition(PixelBufferCoordinate bufferPoint)
diff --git a/src/Consolonia.Designer/ConsolePreview.cs b/src/Consolonia.Designer/ConsolePreview.cs
index 8ddb6856..1412a507 100644
--- a/src/Consolonia.Designer/ConsolePreview.cs
+++ b/src/Consolonia.Designer/ConsolePreview.cs
@@ -1,6 +1,7 @@
 #nullable enable
 using Avalonia;
 using Avalonia.Controls;
+
 #if DEBUG
 using Consolonia.PreviewHost;
 using System;
@@ -161,7 +162,12 @@ private void LoadXaml()
                 xaml = File.ReadAllText(xamlPath);
                 ArgumentNullException.ThrowIfNull(xaml);
             }
-            catch (Exception ex)
+            catch (UnauthorizedAccessException ex)
+            {
+                Content = new TextBlock { Text = $"Unable to access XAML file. {ex.Message}", Foreground = Brushes.Red };
+                return;
+            }
+            catch (IOException ex)
             {
                 Content = new TextBlock { Text = $"Unable to load XAML file. {ex.Message}", Foreground = Brushes.Red };
                 return;
@@ -239,7 +245,7 @@ private void ListenForChanges()
                             var buffer = JsonConvert.DeserializeObject<PixelBuffer>(line)!;
                             Dispatcher.UIThread.Invoke(() => Content = RenderPixelBuffer(buffer));
                         }
-                        catch (Exception ex)
+                        catch (JsonException ex)
                         {
                             // process was probably shut down, we continue to check the proces.
                             Debug.WriteLine($"Error deserializing pixel buffer: {ex.Message}");
diff --git a/src/Tools/Consolonia.PreviewHost/Properties/launchSettings.json b/src/Tools/Consolonia.PreviewHost/Properties/launchSettings.json
index b6106030..75d4abbf 100644
--- a/src/Tools/Consolonia.PreviewHost/Properties/launchSettings.json
+++ b/src/Tools/Consolonia.PreviewHost/Properties/launchSettings.json
@@ -6,6 +6,7 @@
     },
     "Consolonia.PreviewHost": {
       "commandName": "Project",
+      "commandLineArgs": ".",
       "workingDirectory": "S:\\github\\Consolonia\\src\\Consolonia.Gallery"
     }
   }