When I turned on my PC at the office today, it started to boot, and then started doing a Windows 10 update. But it keeps trying to reboot and update. It is on the sixth try and still won't boot up; it's just the same Windows update install over and over. What should I do?

Identify the problem.

Establish a theory of probable cause.

Evaluate the theory to determine the actual cause.

Establish a plan of action to resolve the problem and implement the solution.