I really hope I can get help for this, because I see this thread is almost four years inactive and I'm worried I'll never find a solution... I'm also not able to make a thread about this for whatever stupid reason. For almost a year, my ARMA II and ARMA II OA games have not had any sound whatsoever. My volume settings are perfectly fine and I've tried every fix I could find online, but no matter what I do, nothing has any sound - footsteps, vehicles, weapon sounds - none of it. I think that this might be the answer to my issues, though. I checked the AppData folder for both ARMA II and ARMA II OA, and I found this error: ===================================================================== == D:\SteamLibrary\steamapps\common\Arma 2 Operation Arrowhead\ArmA2OA.exe == "D:\SteamLibrary\steamapps\common\Arma 2 Operation Arrowhead\ArmA2OA.exe" ===================================================================== Exe timestamp: 2016/05/19 18:44:22 Current time: 2016/05/19 21:36:02 Version 1.63.131129 Starting process failed. SHIFT pressed during game start. No 'GameConfig'.cfg mods will be loaded! Error: Create XAudio2 device failed, error 800700c1 Warning: Audio device creation failed, attempt to create default audio: SamplesPerSec: 44100, channels: 2, bitsPerSample: 16 Error: Create XAudio2 device failed, error 800700c1 No owner No owner I bolded the important part - notice "Create XAudio2 device failed." I tried to follow the instructions given to me in the original post of this thread, but I received an error during installation that states that there was an "internal error." The error message instructed me to look at Directx.log in my Windows folder for more information. I did, and it seems like most everything was already installed. I'm beyond confused. How is this still a problem if I've got all the files I need, and furthermore, why would me having those files cause an internal error with DX setup? It makes no sense. any help would be greatly appreciated - thanks so much.