I'm running OS 10.3.4. / Limewire Pro 4.9.4

I get the message that my machine is behind a firewall. I close Limewire, go to system preferences/sharing/firewall, check Gnutella in the list of apps I will allow through, restart my computer, When Limewire comes up, I still have the firewall icon and after a couple of minutes the message pops up that I'm behind a firewall even though in my settings it says the firewall is off.

Any suggestions?

Thanks