1. Try deleting your LW Preferences folder whilst LW is
closed; instructions here:
Point #2 & 3 in Fixes for Limewire (sample image included at bottom of page.)
2. Use your Add/Remove Control panel & remove ALL Java versions on your computer.
3. Run this utility:
Crap Cleaner
4. Install only the OFFLINE version of Java
Download Java software from Sun Microsystems
5. Install this version of LW:
http://www9.limewire.com/download/LimeWireWin-full.exe