I just finished installing Arma 2 combined OPs off of steam, and now I can't open it. When I try to open it the loading bar stops at the last check mark and an error message pops up, something about the wrong addon for DirectX I think. I don't know how to fix it, has anyone else had this problem?
---------- Post added at 13:21 ---------- Previous post was at 13:20 ----------
Here's the error message