seems very unlikely to be the problem and I'm not sure if it's already been suggested, but have you tried the hotfix linked here?
http://support.microsoft.com/kb/940105

any! wow ermmm, thats truly odd, as orthos runs fine for an hour, but you can't load a game!
Do you have a spare gfx card laying about! Yours might be knackered!
!
if it cant do it forever, then i'm afraid it does sound a lot like a card failure, if so, you need to start looking at warranties and what notsee how long it can run this dribble program forif it cant do it forever, then i'm afraid it does sound a lot like a card failure, if so, you need to start looking at warranties and what not
