Got it while playing black ops but the wierd part was what I noticed in my menu's. (I got 10.3 ver of Catalyst because its easy and works better) But in that menu when i go to 3D the moving picture has thin black lines and dots and flickers all over the place. same with the menu in black ops settings. Things I tried: Restarting PC Uninstalled black ops Tried different catalyst drivers Reinstalled Windows PC specs: Windows 7 Home premium 64 bit Radeon HD 4850 w/ Catalyest 10.3 ver (Not upgrading, please dont suggest to) Intel core 2 duo celeron Microsoft securety essentials I really dont know what else to do (It has stopped now but I'm reinstalling black ops but I'm not gonna play it till I find out what to do if it happens again) PLEASE HELP!!!!!