1. Disable your XP firewall. And then configure your Norton firewall *
Configuring Norton Internet Security
2. Make sure your modem/router UPnP option is enabled; see
Connection problems? Check here first! (click on link) for the UPnP section or manual port forwarding section.
3. Reinstall Java 1.5 using the "Offline" java installer
Java 1.5 (take the JRE)
4. Again, try deleting your LW Preferences folder whilst LW is
closed; instructions here:
Point #2 & 3 in Fixes for Limewire (sample image included.) And make appropriate settings as required by your hardware.