PaXx

Hi. I just reinstalled Arma 2 + OA. I coudnt start it at all, it just told me : Arma 2 Operation arrowhead is not Repsponding. I tried Reinstall, Run as Admin, and watched so much videos .... Coudnt fix it. I just tried open it in window mode, And its working ! But when i try to Get to the Graphic chance options, the game crashes again (Not Responding) Please, can anyone help me ?