Finally gave up on this and installed fresh Windows, works fine now.
My Computer
System One
-
- CPU
- i5-2500K
- Motherboard
- Asus P8Z68-V Pro
- Memory
- 16 GB
- Graphics card(s)
- Asus GTX 660
- Sound Card
- Asus Xonar DX
- Monitor(s) Displays
- 27", 24", 50"