Is there a way to remove saved account information from Windows Messenger?

[Argo]

Last day at work today and I'm trying to remove all personal information from my PC. One thing I'm having trouble with is Windows messenger remember my account information (e-mail + password). Is there a way to nuke that?

 

[Slugbait]

Start->Control Panel->User Accounts->Advanced->Manage Passwords. Highlight Passport account and click Remove.