First of all you can try what Microsoft Suggests: CODE http://support.microsoft.com/?kbid=302089 then you may try some more ways of removing MSN. I am not responsible for the use or the misuse of this information. Use at your own risk. 1rd way : The following method works in Windows XP Professional, but has not been tested on a system with SP1 installed. FYI, I've seen scripts that are similar to this, but fail miserably, automatically deleting other much-needed components! Better to do this slow and manually! 1. Exit MSN Messenger by right-clicking the MSN icon in the notification area, and selecting Exit. 2. Add the following registry entries, both with a DWORD value of 1: a. HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Messenger\Client\PreventRun b. HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Messenger\Client\PreventAutoRun 3. Open a command prompt by clicking Start/Run, then typing "command" and clicking OK. 4. Uninstall MSN Messenger by typing "rundll32 adv...