Hi Noddy.
Try this first, If no joy, We will work on it.
How to use Manual Port faward
Universal Plug and Play may not be working properly Due to this update. "Security Update for Windows XP (KB931261)"
Removing this update is not Recomended & could make your computer vonarable to attack.
If this update is installed on your computer & UPnP is in use in Limewire,
Try switching to Manual Port faward, using port numbers between 45000 To 65000
Both Manual Port faward No, & Listerning port should be set at the same number
In LimeWire, GO to Tools/Options/Advanced/Firewall Config & use Manual Port faward.
If you are using a router to connect, that will also need configuring.
Find your router listed here, Use this blue link. & dont forget to create a static IP first, & click apply after changing each setting.
PortForward.com - Free Help Setting up Your Router or Firewall
Your Servant,
Peace.