ministock,
You won't get much help with that attitude. Supplying your
details helps rule in/out some of the more common problems and gives the members of the forum who are trying to help, a starting point.
It maybe something simple like the "Listen on Port". IN FW go to Tools>Options>Advanced>Firewall Config, and set it to 6346. If that doesn't help try setting to something between 45000 and 65000. That's just a guess, you didn't leave much to work with.