I'm guessing that the GP has something to do with Windows rather than with UFT. Perhaps something running in the background is trying to access memory or ... ? Have you recently added a video card or something that might cause a conflict? You said you're using version 3.0? This problem occurred more in the earlier versions from what I remember. You might look in the Knowledge base to see if there is anything there. Or do a search for General Protection Fault of the messages.