Normal process is described here
http://www.gnutellaforums.com/open-d...tml#post339365
Try grabbing a corner or edge of the preferences window & drag it down or sideways.
If that does not help, make a note of all your important settings, then close LW. Delete your LW preferences;
Point # 3 in Fixes for Limewire (sample image included near bottom of page.)