Try running
CCLeaner and do the Clean and Registry portions both. Might be software conflicts.
You could have some poorly written malware corrupting the system too. Do a
Malwarebytes scan.
Disable as much stuff in your tray that starts with windows as possible. Get the system down to where it's lean and mean.
Run
DDU from safe mode and have it wipe out any and all Nvidia and AMD gfx drivers it finds. Reboot and install the
latest driver for your card and OS.