I've remove nvda and re-install the newest alpha-22295,49a85788.Did you run SFC and DISM as Brian explained? Because it is sounding more and more like a Windows problem. But still run the COM Reg Fix Tool a second time.
"In this life there are obstacles, and forces who overcome obstacles. You can be either one or the other.
If you refuse to even try to clear an obstacle, you become the obstacle."
- Joel Shepherd