Do you see a brick wall in front of the blue world icon at the bottom of LW's interface?
Zonealarm will need configured to allow LW access to the internet. See:
Firewall setup. If your running zonealarm you should have the xp firewall shut off.
The Belkin F5D750 is a WIRELESS ADAPTOR, and not the router. There should be a main box that your wireless adaptor transmits to. That is your router. What's the name and model? It probably has a nat firewall in it that'll also need configured. See:
Connection problems? Check here first!.
Tiscali is known filter/shape file sharing apps. See birdy's post here:
http://www.gnutellaforums.com/showth...ali#post259809