Some satellite services can be iffy for p2p file sharing. Depends on particular service.
1. Reinstall Java, use this technique:
Reinstallation Technique though ignore the part about reinstalling LW I guess.
2. Replace the
gnutella.net file with a fresh one, as described here:
http://www.gnutellaforums.com/connec...t-connect.html. Try the other tips also.