Please see this
http://www.gnutellaforums.com/connection-problems/62652-system-details-help-us-help-you-provide-these-details-when-you-post.html
It has just been posted because it is impossible for us to help out with a lack of basic information.
Just see if you can give us the important facts as per my link above and then someonle will see what you might need to do
