If a system restore to a working period resolves the behavior, that would be a good start. After that, apply updates one at a time and try to reproduce the issue if possible.
My Computer
System One
-
- OS
- Windows 8.1 x64
- Computer type
- PC/Desktop
- System Manufacturer/Model
- Custom
- CPU
- Intel Core i7 4790K @ 4.5GHz
- Motherboard
- Asus Maximus Hero VII
- Memory
- 32GB DDR3
- Graphics Card(s)
- Nvidia GeForce GTX970
- Sound Card
- Realtek HD Audio
- Hard Drives
- 1x Samsung 250GB SSD
4x WD RE 2TB (RAIDZ)
- PSU
- Corsair AX760i
- Case
- Fractal Design Define R4
- Cooling
- Noctua NH-D15