OK, spiderman.
Here is a link that will help you portfaward your router it will open on the page you need.
http://portforward.com/english/route...G834Gindex.htm
This should fix it, if not, delete permisions for Limewire in Zone alam with L/W
closed, then restart your Computer.
LimeWire should now re'apply for permisions,Give full permisions.
If you have probs just shout.
Peace,