Do you have MSN Messenger in your Norton Allow list? If not, it may be blocking it from accessing the internet. Just follow these steps to check:
- Right-click on the Norton Internet Security icon in your system tray near the clock.
- From the menu, click on Norton Internet Security. This will show you the Norton Security Center.
- Click on Personal Firewall.
- On the right hand side of the window, click on Configure.
- Click on the Program Control tab.
- Scroll down the list of programs and find MSN Messenger.
- Click on Block All in the pull down menu and change it to Permit All.
- Click on OK.