How do I stop Windows Live Messenger from popping up when I log on?

After logging onto Windows Live Messenger on my brother's computer account, the sign in menu won't stop popping up! Every time he logs on, the sign in menu appears on the screen. How do I stop this from happening?

How do I stop Windows Live Messenger from popping up when I log on?internet explorer update

Try this:

Start%26gt;Control Panel%26gt;Add Remove / Programs%26gt; Add / Remove Windows componants%26gt;un-check windows messenger.....Next%26gt;follow prompts