Ingame Crash to Desktop Arma2 or Dayz Mod Issue?

[Lupi 10]

Hello

I searched many Threads, but havent found the exactly same Problem.

If I'm playing Arma 2 the Dayz Epoch mod, Im getting from time to time a crash to desktop without error message. Sometimes after 30min, sometimes after 1 hour, maybe longer.

The game seems still running. But I cant go into the game again, also if I use Alt+Tab. I cant click at anything until I use the task manager.

Also my Firefox or whatever is running then, is still active, but the whole windows are white, but for example zattoo tv is still running.

Even if I End Arma 2 with taskmanager, the Windows remain white, until I restart them.

My System: (all drivers up to date, windows just installed new, few weeks ago on a SSD)

OperationSystem:

Windows 7 Ultimate 64-bit SP1

CPU

AMD FX-8350, Eight-Core Processor ~ 4.0Ghz 21 °C

RAM

Crucial 16.0 GB, Dual Chanel DDR3 1600MHz (9-9-9-24)

Motherboard

ASUS M5A99X EVO 2.0 (Socket 942) 35 °C

Graphiccard

MSI NVIDIA GeForce GTX 980 Gaming G4, 4095 MB 40 °C

I really hope someone had having this problem too, and found a fix.

Im scared to enter a helicopter.

Thank you

Trivi