Themken: I think this is more of an OS problem so you could post this in the general discussion forum. Remember to specify your OS version (eg. Doors Pro 4.6 or About-to 13.13).
Im using Windows 10 its updated ..As far as MOH im using the pack you can download put together by the community a while back that is patched and ready to play..Its all legit..AND OBS Studio is updated..thats all i can tell you about any programs used..