>I'm not sure if this is a Vista problem, but when I run a compliled vfp executable on a Vista system, it immediately "disappears" and is only noticable in the task Mgr/Processes, where I can kill it. The same executable runs fine on all other XP systems. What's going on?
>

Are you running in screen? If yes, can you manipulate _screen.WindowState in your main program?

Just for the test.