BSOD on most games, error on dxgmms.exe

Hey so starting a couple days ago, I've been experiencing repeated BSOD's and/or game crashes while playing pretty much anything (League of Legends, Dishonored, Bioshock, etc). I've tried completly removing my graphics drivers and installing the newest ones, but nothing seems to matter. I'll start playing, and it will work for 5-15 minutes before I either get a BSOD or the game simply crashes, booting me to windows desktop without so much as an error message. I've also ran gpu and ram stress tests, which did not seem to cause any problems. Any help would be greatly appreciated, as I've ran out of ideas as to what the problem is.