How to Fix Windows 10 Start Menu does not open or not working.

Desktop icons & start menu tools wont work!!!. Windows 10 Start Menu and Modern Apps Do Not Function. Windows 10 cannot open Start Menu. Can not open Start Menu and Windows Setting.
Some users who upgraded to Windows 10 are finding out that their Start Menu does not open or Start Button is not working. If you are facing this issue, here are a few troubleshooting steps you may want to try out.