Select Restart, or Update and restart if Windows updates are pending ... then you may need to force a restart. This might corrupt some of your files and could easily cause unsaved work to be ...

The easiest way is to press and hold the Shift key and restart your computer. However, you cannot use this method right now. Therefore, force shut down your PC and turn it on. Now, use Windows ...

Here you can choose to recover system files using System Restore, or you can choose to reset Windows 10 completely. If you have waited long enough, and you need to stop, then you can force reboot ...