If the User Account Control prompt appears, just click Yes. It isn't a surefire fix as it might work every time, but it is definitely worth starting here just in case it does solve the issue. It just needs the user to stop a Windows process in the systems Task Manager. The first method we suggest also happens to be the simplest way to unfreeze the Start menu. Fix a frozen Windows 10 Start Menu by killing Explorer
Warning: Please take the time to back up your files before you attempt any of the following fixes. There are a variety of ways to fix it and we have pulled together the best ones for you to get your Windows 10 Start Menu moving again. But fear not, solving a frozen Windows 10 Start Menu is easier than you would expect. You'll have a stressful time trying to access programmes and files - potentially more stressful than using the Windows 8 Start Screen. Without a fix, your Windows 10 device can become near unusable.
