Register your own classes, get rid of "AutoIt v3 GUI" Q: What are classes? A: If you dont know that, just skip this topic. Q: Why should I create my own class, instead of using autoit's standard class? A: There are some extra's, you can't do with AutoIt's class. Like: dropping a shadow under a window and setting a custom cursor for your GUIs. Ok, original function created by amel27, and I made it work without any bugs. There are some extra functions in the file: _WinAPI_LoadCursor() and RGB_