Your settings sound fine!!! Just as an experiment, try changing the listening port to these ones: 80, 443, 427, 20, 21, 22, 139, 548, 10000, 64049. That will mean changing it, pressing apply button. If it's trying to connect, go to File>Disconnect. Wait 60 secs, then File>Connect. Give it at least 15 mins for each one to try to connect. I must say I'm not sure whether you should just wait 60 secs or should quit LW, then re-launch between each port change. This last idea will be sure it's trying to connect thru the changed port.