It is the first thing you can try to bypass the problem temporarily. If one or more users are already logged in, you must shut down your PC again. You can restart your computer and then shut it down.

Follow ZDNET: Add us as a preferred source on Google. Windows 11 has been around for several years now, and if you were an early adopter like I was, there's a good chance your computer has slowed down ...

Microsoft has fixed a known issue caused by the August 2025 security updates, which triggers unexpected User Account Control (UAC) prompts and app installation problems for non-admin users on all ...