follow the steps in this link they may help.
http://www.gnutellaforums.com/showth...ght=bug+report
Especially do the bug report then use the search function above right for the various things that could be causing this problem.
You will most likely find an answer.
You might try the information in this link also.
http://www.gnutellaforums.com/showth...threadid=33233