Windows Messenger is installed by default when you install Windows XP. For those of you that have no use for Windows Messenger or prefer a different messeging program, there is a way to uninstall the program to free up disk space and stop if from loading automatically when windows starts. Follow the directions below for your XP system.
On XP Systems without SP1:
Click Start / Run Then type the following:
RunDll32 advpack.dll,LaunchINFSection %windir%\INF\msmsgs.inf,BLC.Remove
On XP Systems WITH SP 1:
Add / Remove Programs
Click on "Add/Remove Windows Components" on the left
UNcheck "Windows Messenger"