*Which version of the game did you purchase? STEAM or RETAIL or MIXED: Steam. *Are you running an Arma 2 OA beta patch? If so what version?: Yes, beta patch. ARMA2_OA_Build_95417 *Which method are you using to launch the game? I.E Sixupdater/steam/batch file: steam *What is the Error/Problem you're having? Please provide screenshots if possible: When I try to launch the game as Arma 2: combined operations, as I should, I get a command prompt box open for a second, and then disappear again, without launching the game at all. I followed a youtube tutorial for installing the beta patch and tried some of the things in the pinned threads, but I have no idea how to fix it. *Your PC specs: Ram: 3583MB Cpu: intel core 2 quad cpu Q6600 @2.40GHz *Your Operating System: Windows 7.