Can ONLY play 3 min then Game CRASHES

[Grognard83]

Hi, 

Since the new patch, I join a game, play 3 min or 5 and then the game crashes. 
Any help? 
Sometimes I am lucky ans play 20 min... 


Way to go. 
Windows 7 64 bits 
AT Radeon 7970 
Asus p8p67 evo 
Drivers up tp date 

Thanks