Steps to resolve:
  1. Log onto your PC using your windows account credentials.
  2. Do not click on the Critical Windows error or the sign out, now error button.
  3. Press Alt +Control + Delete and then go to task manager.
  4. Run CMD as Administrator. From its directory within the Windows system32 folder.
  5. Type sfc /scannow and press enter (wait for the process to end).
  6. Go to task manager again, go to cmd prompt and type msconfig.
  7. Go to boot in msconfig, and select boot in safe mode with networking.
  8. Click apply and restart when prompted by the computer.
  9. Login and repeat steps 6-7 and select normal boot option, untick the safe mode option.
  10. Restart and logon to your PC using your normal logon method.