That's a new one on me. I never thought to look for such a problem, but then I rarely change resolutions. What resolution was the wrong one and what did you switch to? I'm not sure I even want to try to investigate that one without access to the actual PC. On my old HP which had built in ATI Rage graphics, changing the hardware acceleration level would change the autostarted programs. Above a certain level, an executable that was part of the graphics package was added to autostart. It's been a long time, but if I remember right, if that executable wasn't allowed to run, the PC became quite unstable. This is the only thing I've seen that comes close to what you're describing. herbalist, The res was 800 x 600 with a great many dead pixels. Looks like a monitor won't last even two decades, never that they would, but it was a favorite. Now it's a toaster. All those wiggly boarders ought have been a clue. I could scarcely see SSM to exit it. Well, perhaps I shall survive this loss. Dave