I don't know what else to do. I've got the mod installed and functioning perfectly, have the servers coming up fine, got rid of McAfee, installed Avira, disabled Windows antivirus and firewalls (completely, using the services.msc deal), unclicked the IPv6 thing, and run Freelancer as administrator, but it still just gives me the can't connect popup as soon as I try to connect to a server.
I suck with this stuff. Cossack could have been speaking in tongues for all I know...
Anybody have any ideas? I'm completely stumped; I did everything the tutorial says.