Often connectivity issues have to do with firewall software. Sometimes even if the firewall is supposedly disabled or uninstalled, it may still be active. The Firefox FAQ item on this subject is very in-depth, and since Flock is built upon their code their advice will be very applicable to our browser. Please click this link to go to their page: http://support.mozilla.com/en-US/kb/Cannot+connect+after+upgrading+Firefox





