LW won't work [It worked before]

Whenever I try starting up Limewire I get this error message :

LimeWire was unable to initialize and start. This is usually due to a firewall program blocking LimeWire's access to the internet or loopback connections on the local machine. Please allow LimeWire access to the internet and restart LimeWire.

I've disabled both my Router and normal computer Firewall(s) and I still get that message. The funny thing is It worked before and Limewire works on my Laptop (Which works off of the same modem, just wirelessly connected with a flash drive, whilst my desktop is connect to the touter itself via a DSL cable).