1→ Shut down your machine and start Power On. Start PC in safe mode.
I entered in safe-mode by repeatedly pressing F8 key. You have to be patience to enter into Safe mode. While entering into safe on screen you will get “Please Wait” message.
2→ Now press Troubleshoot option.
3→ In the Troubleshoot screen, press Advanced options.
4→ In the Advanced options, Click on Startup Settings.
5→ Now you will get below message that machine is about to restart in order to change several Windows options, including enabling Safe Mode after restart. Press Restart.
6→ Press the F4 key on your keyboard once machine restarts to enter into the Safe Mode. If you you fail then you have repeat all above steps again.