Not sure if this is the best sub-forum to post in but couldn't see one more suitable, basically when playing World of Warcraft (I don't currently play any other games, so it's hard to say it only happens on WoW, however doesn't occur while watching or streaming videos etc), it usually happens after a couple of hours of being ingame though once or twice it has occured after being online for no more than five minutes, it's not due to overheating (a steady 55c before, during, and after the artifacting) and a simply relog of the WoW client will solve it temporarily.
The card I use is a Leadtek 260 GTX and have the latest drivers, I've tried older drivers to no avail and when running ATITest (which supposedly supports all cards, even non-ATI) it shows no errors no matter how long I run it for, had it running for 8 hours or so and even once the artifacting happened ingame, the program reported no errors still.
So I'm really struggling to think what it could be
Any help would be appreciated, and note that the card is not overclocked
The card I use is a Leadtek 260 GTX and have the latest drivers, I've tried older drivers to no avail and when running ATITest (which supposedly supports all cards, even non-ATI) it shows no errors no matter how long I run it for, had it running for 8 hours or so and even once the artifacting happened ingame, the program reported no errors still.
So I'm really struggling to think what it could be

Any help would be appreciated, and note that the card is not overclocked
