Are you fully connected to the network (ie do you have all green or blue connection bars)?
Do you have an external modem or router?
Make sure that the Windows firewall is off, because that'll conflict with the Norton firewall. Go back through the config of your Norton firewall & make sure that LW's being allowed.
If you're not fully connected (not seeing green connection bars) try uninstalling Norton & LW, then reinstall LW first & then reinstall Norton. a couple of other Vista users have found that uninstalling their firewall & LW. This person had success with doing the same thing with their Norton
http://www.gnutellaforums.com/genera...tml#post281641