1) Click Start > Run
2) Type msiexec /unreg and press enter and wait until it appears to have
finished.
3) Go back to Start > Run
4) Type msiexec /regserver and press enter.
5) Try to install MSN Messenger 6 again. Good luck!
Want to reply to this thread or ask your own question?
You'll need to choose a username for the site, which only take a couple of moments. After that, you can post your question and our members will help you out.