Which version of LW are you using? If LW 4, there are a few suggestions to try here (click on link):
http://www.gnutellaforums.com/genera...wall-down.html
If you're using LW 5 then see this link:
http://www.gnutellaforums.com/connec...t-connect.html
If you're still stuck then please post back with your system details as shown in both links