You have a program that is unresponsive and you want to force close it, sometimes it can be a word or excel file you have been working on but suddenly stops responding and you want to force close it and open it up again, click on the link below to know how its done in 3 ways:
https://www.isumsoft.com/windows-10/how-to-force-quit-unresponsive-program-in-windows-10.html
Please raise a ticket to Support if the issue persists.