I got this bug after the "U" or "T", im not sure. But when i use alt-tab or exit the game sometimes i get a graphich bug like this->
Got all the last drivers and no overcloking
asus kn8e delux
2800+ a64
1gb ocz premier
250gb WD sata300 16mb cache
300gb seagate sata300 16mb cache
gaiward 6600gt
edit:
sorry forgot to tell the card,its a 6600gt from gainward agp. if u guys say memory problems, i know i have a problem whit my psu but ,this problem came after the t/u patch, the them is aroud when i paly 45-55 celsius and got the last driver from nvida 84.21

Got all the last drivers and no overcloking
asus kn8e delux
2800+ a64
1gb ocz premier
250gb WD sata300 16mb cache
300gb seagate sata300 16mb cache
gaiward 6600gt
edit:
sorry forgot to tell the card,its a 6600gt from gainward agp. if u guys say memory problems, i know i have a problem whit my psu but ,this problem came after the t/u patch, the them is aroud when i paly 45-55 celsius and got the last driver from nvida 84.21