How can I Disable Multiple User Sessions and Fast User Switching?

Disable Multiple User Sessions and Fast User Switching

By default, Windows XP gives you an ability to switch between users without logging off that keeps all active users on your PC with all started processes and programs. On a heavy used system this can be both a security threat and performance drop. This option disables multiple user sessions and fast user switching on your PC.

Option affects the whole PC. Reboot your PC to activate or deactivate this option.

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