1. For current user:
start -> run -> regedit
In : HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
delete the key “MSMSGS”, then the Messenger will not start up for this user.
[When users logon, the Messenger will still start up]
2.use the “Group Policy Editor” (Start -> Run -> mmc, and then click OK)
File -> Add/Remove Snap-in -> Add -> Available Stand-alone Snap-ins -> Group Policy … -> Add.
to switch off the start-up of the Messenger for all users :
Computer Configuration -> Administrative Templates -> Windows Components -> Windows Messenger
Enable “Do not automatically start Windows Messenger initially”
3. Once you have …