There is a bug in OS X that may prevent you from quickly shutting down a computer with Fast User Switching enabled, if another user has applications open. When another user account is logged in and ...

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.

In this article, we will explain how to sign out other users who are using the same computer to preserve resources and maintain performance. Windows 11/10 allows multiple users to have their own ...