I know i really cant be helped without providing error codes (usually). But i figured id ask anyway. I have been running Vista Ultimate for quite a while now, since i built my latest rig, lately last month or so when i leave it idle it will randomly restart, returning to the desktop with a error message "Windows has recovered from an unexpected shutdown" I view more details and all i remember at the moment is it says BlueScreen, ugh. But i never am presented with a BSOD it just restarts randomly. I was thinking it was a hardware problem but when i leave a program open with activity (I.E. uTorrent, firefox downloads etc.) it wont restart itll stay running im assuming until the dowload is complete. If i periodically move the mouse it wont do it so its during times of no activity which makes me assume Windows Not hardware. It doesnt seem to be hurting windows at all its just annoying to come back from eating to all your work gone. It doesnt do it during games either. Im just thinking of getting mousejiggler or repairing my install of vista.