Computer when you use the switch to turn on the UPS or board. Switch on the computer and wait for Windows to load completely and than refresh .
Similarly, when you first start the computer off ,click on (start), then shutdown (shut down) to click. If you still can not stop shutdown Force (Force shutdown), then Yes (Yes) to click on.
If you do not obey the rule the computer on or off, Windows Error (windows error) is likely to come.