Disabling McAfee doesn't work try the solution this member discovered...
http://www.gnutellaforums.com/258193-post45.html
If you still have problems you will need to us where you get your internet connection from (who do you pay)...ISP....
Also what modem/router you are using...The thing that connects you to the internet...
Also what Java you are using...
http://www.gnutellaforums.com/connec...-help-you.html