Armate

OA crashes to desktop after playing 2-10 minutes with eventlog error: faultoffset: 0x7c809750. But there have been day's a could play for hours without the crash. I don't have this problem with Arma 2. I tried all shortcut paramaters, different driver versions/settings, cleanboot, run as admin but nothing solves it. If anyone knows a solution its more than welcome. Asus P5n32-E SLI Q6600 @ 3.0 GHZ 4 GB ddr2 memory Nvidia GTX 480 Windows 7 professional (x64)