Hey, It got asked already a couple of times, but I never found a clear solution. So let's ask it again, well explained. When Windows is about to Shutdown or reboot, I want AutoIt to display a message box. How can I do this? I already did some research, and I found this: http://msdn.microsoft.com/en-us/library/aa376889(VS.85).aspx And these events: • ENDSESSION_CLOSEAPP 0x1 • ENDSESSION_CRITICAL 0x40000000 • ENDSESSION_LOGOFF 0x80000000 But how to use them when one of those events