Your ISP shapes p2p bandwidth and also has unsolvable Nat Issues...
Bad ISPs - AzureusWiki
But here are the instructions for your Router, it has a Nat Firewall and you will need to port forward...
Port Forwarding for the Motorola VT2442
You could try these fixes as well...
Try uninstalling your Java from the add/remove programs and then re-install the JRE 5.11 offline version....
Archive: Download Java 2 Platform Standard Edition (J2SE) 5.0 Update 11
If that does not help with your problem try deleting your preference folder...
Fixes for Limewire when LW isn't operating as it should