You can try the .limewire fix it may help. Follow the instructions in the link below. If that doesn't help there is a good chance your ISP is shaping your connection and limiting P2P networks. Did the problem occur suddenly? Who is your ISP ?. The second link will take you to a list of ISP know to block or shape P2P
http://www.gnutellaforums.com/showth...threadid=36420 http://www.gnutellaforums.com/showth...threadid=33712