Hi. I am running the latest version of Limewire Pro. I installed it and everything was fine, but I also couldn't seem to get connected. I went through the Options and at the bottom under advanced, there was an option to let you pick the network card. I have VMware Workstation installed on this box and Limewire was defaulting to the VM Virtual NIC. I set it to manually look at the physical NIC of the box and bang...off it went.

That might be an option you want to check out.