check if ur windows firewall is up and running if so disable it ... disable 3rd party installed firewalls in ur computer ... uninstall the software and reinstall it plus make the connection settings default and let the software choose the best connection settings do not manually choose dial up 56kpbs or adsl 512 kpbs etc settings keep it in default ... or try to check if u get the same problem while using u torrent (get it from its web - www.utorrent.com)