graphics error

I had a few cards on my hands by now with the same problem - crash on loading windows or login screen. Since I wasn't able to fix any of them I'm curious what can potentially cause this issue. I know about Vram damage, BGA damage, faulty BIOS installation or defective BIOS chip and of course die...

This problem just popped up a couple of days ago. The only thing that changed was I installed The Evil Within 2 and Middle Earth: Shadow of Mordor. Those are the only two programs I installed since I started getting this error. "Application has been blocked from accessing graphics hardware...