This patch will enable two or more concurrent sessions in Windows XP PRO Service Pack 2 (SP2) and Service Pack 3 (SP3) if you have FAST USER SWITCHING enabled, and your windows is NOT in a domain.

Uninstaller is also included and can be found at windows Control Panel -> Add or Remove Programs.

Windows XP PRO SP2 screenshot
Windows XP PRO SP3 screenshot

Download Latest 2.1 Binary

Download Outdated 1.0 Binary