Sorry for very late reply, somehow your post was missed. Did you fix the problem? Try this: Try deleting your LW Preferences folder whilst LW is closed; instructions here: Point #3 in Fixes for Limewire (sample image included 2nd last post of page.) Making sure you backup your downloads.dat file first.

An alternative or what you can also do is use this technique of reinstalling: http://www.gnutellaforums.com/355685-post13.html