According to RegistryGuides.com, the same setting should work for MSN Messenger.

http://www.winguides.com/registry/display.php/981/

http://support.microsoft.com/?kbid=302089

--
Doug Knox, MS-MVP Windows Media Center\Windows Powered Smart Display\Security
Win 95/98/Me/XP Tweaks and Fixes
http://www.dougknox.com
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Per user Group Policy Restrictions for XP Home and XP Pro
http://www.dougknox.com/xp/utils/xp_securityconsole.htm
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"doc666 via WindowsKB.com" <u15468@uwe> wrote in message news:56d8f0046d7ba@uwe...
>I am looking after a Home computer running XPPRO with 4 user accounts.
>
> I would like to be able to delete/disable MSN Messenger (Not Windows
> Messenger) for 1 account only.
>
> Any help greatly appreciated.
>
> Thanks