"Arma 2 free" crashing!!!

[poofhead]

Everytime I try to play "Arma 2 free" it keeps crashing everytime I enter a game. And theres no sound. Does anyone have this problem. How to fix this?


Specs:
Processor: AMD Athlon(tm) II P340 Dual-Core Processor 2.20 GHz
Installed memory: (RAM): 3.00 GB (2.74 GB usable)
System type: 64-bit Operating System
Graphics card: ATI Mobility Radeon HD 4250

[Vinzix]

No need for double posting.