We continue to report on issues that occur after switching between accounts using the Fast User Switching capability in Mac OS X. Many of the issue we covered were new for some users in Mac OS X ...

We'd like to revisit a group of issues that occur when fast user switching is invoked under Mac OS X 10.4.x. Most fast user switching issues have to do with process ownership: when one user is the ...

You’re probably aware that OS X is powered by Unix at its core. This core brings a lot of geeky technologies, like memory management and multitasking, that help make the OS X experience so pleasant.

If you share your Mac, chances are you're familiar with the concept of fast user switching, which allows users to switch between accounts without closing applications and logging out of either account ...

Fast user switching (accessible from Login Options in the Accounts System Preference pane) makes it easy to keep two or more users logged in to a Mac at the same time. Instead of logging in and out ...

In macOS Big Sur, Apple includes a feature that will be familiar to Windows users, called Fast User Switching. As the name suggests, it lets you switch user accounts quickly and easily, without having ...

I & my SO share my MacBook Pro (late 2011 15"), but fast user switching is incredibly slow. I know I'm RAM starved at the best of times because I'm still on 4GB (which was a bit low even 3 years ago), ...

Here's an oddity that I just recently started noticing: I have Fast User Switching enabled, and when I attempt to login to a secondary local user account by selecting that username from the list, the ...

An apparent M1 Mac Fast User Switching bug is resulting in user reports that the screensaver takes over and leaves them temporarily locked out of their machines. The bug can be seen in the view below.

An unknown number of Apple Silicon users who have two or more accounts on their M1 Mac are seeing their screensaver spontaneously start and them being logged out. What happens is that a user can be ...

A growing number of user reports online suggest some of Apple's M1 Mac models are susceptible to a Fast User Switching bug that spontaneously activates the screensaver and leaves the user unable to ...