But...try this last ditch effort...
Uninstall Limewire using the uninstaller which is found in start > all programs > limewire...then re-install it using the offline installer...To find the offline installer, use the link below > cancel the installer window when it pop's up and then select the offline installer link...
Lime Wire » Download LimeWire
Try installing PeerGuardian, it will help keep the fake hosts out...Remember to enable PG just before you start limewire up...
Phoenix Labs » PeerGuardian 2
Another thing if you are using limewire 4.13 and later you can apply this hostile list...
The TechNutopia Fullsize Hostiles List for BearShare and LimeWire