I wouldn't mess around with the registry if I were you.
Try a clean installation first:
quote:
Originally posted by traxor
Okay, go to Start > Control Panel > Add/Remove Programs. Scroll down to "Windows Live Messenger" and press Change/Remove. Remove the software, then go to C:\Program Files\ and delete the folder "MSN Messenger". Reboot your computer, go to http://messenger.msn.com/ to re-download the software and then re-install.
(This is a clean install, where most of the files on the computer are deleted.)
If your worried about deleting your display pictures, emoticons, etc. see
CookieRevised's reply to "Where's stuff stored?"
Also, it helps if you refer to the correct names:
MSN Messenger
Windows Live Messenger
Windows Messenger