asd

LightBulb/Program.cs

@@ -3,6 +3,7 @@
 using System.Reflection;
 using System.Threading;
 using Avalonia;
+using LightBulb.Utils;
 
 namespace LightBulb;
 
@@ -46,6 +47,13 @@ out var isOnlyRunningInstance
         {
             return builder.StartWithClassicDesktopLifetime(args);
         }
+        catch (Exception ex)
+        {
+            if (OperatingSystem.IsWindows()) 
+                _ = NativeMethods.Windows.MessageBox(0, ex.ToString(), "Fatal Error", 0x10);
+
+            throw;
+        }
         finally
         {
             // Clean up after application shutdown

LightBulb/Utils/NativeMethods.cs

@@ -0,0 +1,12 @@
+using System.Runtime.InteropServices;
+
+namespace LightBulb.Utils;
+
+internal static class NativeMethods
+{
+    public static class Windows
+    {
+        [DllImport("user32.dll", CharSet = CharSet.Auto)]
+        public static extern int MessageBox(nint hWnd, string text, string caption, uint type);
+    }
+}