OK Mark
You can start by updating your java.
Now! Go to,
START/Set Program Access/Change or Remove Programs,
now completely remove all versions of java.
Re BOOT Your computer NOW.
Now! Use this Blue Link to get "Java Runtime Environment (JRE) 5.0 Update 12" Use the off line installer, NOT the (recommended) one, 4th one down.
Java SE Downloads - Previous Release - JDK 5
When Download is completed.
Disconnect from internet, close ALL apps n reinstall java.
Click on this blue link it will open on the page you need to configure your router to work with Limewire. OH!! Dont forget to set a static IP
PortForward.com - Free Help Setting up Your Router or Firewall
Right Now
McAfee Security Center Port Forwarding to run with Limewire.
Just double check that your XP firewall is off & that your McAfee is configured to allow LW.
Click on this Blue link, it will open on the page you need.
Port Forwarding for the McAfee Security Center
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Peace