Don't try to invoke until the handle is created (is this the WRONG way to do this\?)

CSharp/Engines/WindowsForms/Engines/UniversalEditor.UserInterface.WindowsForms.DesktopApplication/SplashScreenWindow.cs

@@ -75,6 +75,10 @@ namespace UniversalEditor.UserInterface.WindowsForms
 
 		internal void InvokeClose()
 		{
+			while (!this.IsHandleCreated)
+			{
+				System.Threading.Thread.Sleep(500);
+			}
 			Invoke(new Action(_InvokeClose));
 		}
 		private void _InvokeClose()