cant connect to other peoples servers

[lindsslol]

so me and my husband play in the same room and whenever we try to join someone's server, one of us can't connect to it. it's usually me. most of the time, i can't connect to anyone else's server except his. HELP!!!

[HankMacAtee]

"Please try changing the client port on one of the two computers: http://forum.mx-bikes.com/index.php?topic=4190.0";

Copied from another thread.