Don't use McAfee firewall & XP firewall together, they'll interfere with each other. Turn off the XP firewall & just use McAfee.
When you set up port forwarding for the Motorola, did you set up a static IP address first? Check to make sure that LW's listening port, the port forwarded & the number in LW's 'manual port forward' box (tools > options > advanced > firewall config) are all the same number.
Did you use these instructions for port forwarding?
http://www.portforward.com/english/r...0/Limewire.htm
Go back through those & double check your setup
Your version of Java's pretty old
Update & use the JRE offline installer here. Remove your old Java version before you install the new one.
http://java.sun.com/javase/downloads/index_jdk5.jsp