Don't explode!!

Try deleting your LW preferences while LW is closed. Instructions in thread:
http://www.gnutellaforums.com/showth...threadid=36420

It could be a problem with your ISP (may have started blocking or filtering p2p). Have a read of this thread, LOTR has links to some ISP info:
http://www.gnutellaforums.com/showth...download+speed