To remove Windows Messenger:

1. Copy / Paste the following to a RemoveMsgr.bat file:

@echo off
RunDll32 advpack.dll,LaunchINFSection %windir%\inf\msmsgs.inf,BLC.Remove
@echo REGEDIT4>%TMP%\RemoveMsgr.reg
@echo.>>%TMP%\RemoveMsgr.reg
@echo \[HKEY_LOCAL_MACHINE\Software\Microsoft\Outlook Express\]>>%TMP%\RemoveMsgr.reg
@echo "Hide Messenger"=dword:00000002>>%TMP%\RemoveMsgr.reg
@echo.>>%TMP%\RemoveMsgr.reg
regedit /s %TMP%\RemoveMsgr.reg

2. Close all Outlook Express and Internet Explorer Windows.

3. Run the RemoveMsgr.bat file.

4. Press Yes to the dialog box that asks you to close all effected applications.

5. Shutdown and restart Windows XP.

6. When you log on, a dialog box will offer to cleanup your personal settings.