It sounds like you might have to configure Norton and limewire...If you are using the Norton firewall disable the windows one as running two can make things clash...
Here are your instructions...
Port Forwarding for the Norton Internet Security 2007
Also with Java, uninstall what you are running now from your add/remove programs and re-install the JRE 5.11 using the offline installer...
(4th one down)....
Java SE Downloads - Previous Release - JDK 5