I had this once. What I did was, uninstalled Java and LW. Then I put them both on the desktop. Then I started the installation of LW (not having Java pre-installed). The LW client then used the JRE off-line installer by itself to install and integrate it into LW. I remember that I use the 1.5.0_05 to do so.
You might want to give it a try.

Another optionwould be to delete .limewire preference folder Point #2 & 3 in Fixes for Limewire
http://www.gnutellaforums.com/showth...threadid=36420

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