Sorry your post was not answered sooner, somehow it was missed.
Try
Reinstallation Technique 
But instead of that installer for LW, use one from Birdy's post here
http://www.gnutellaforums.com/open-d...tml#post354839 for an offline version.
Can also check advice suggested here
http://www.gnutellaforums.com/window...tallation.html