Do you have Java 1.6? Even if you do, try reinstalling. Use the JRE offline installer & remove your current Java version before installing the new one.
http://java.sun.com/javase/downloads/index.jsp

Try port forwarding for your Westell. Here are the instructions.
http://www.portforward.com/english/r...0/Limewire.htm

LW's listening port, port in the 'manual port forward' box & port forwarded within your router must all be the same number.