io have a similar problem cloned cli bout 6 times had to wipe pc it got so slow bout 10 mins to boot ive been looking for an awnser to problem but cant find any viruses or spyware etc the symptoms are odd my screen sometims flickers on and off in the same way as when catalyst starts up refreshing the graphics card. im running an connect3d x1800xl 256mb and got catalyst 7.1 (it started after instaling this) i just wiped pc and after 2 day its come back :S imo i think its a dogy driver pls help.