Alright... after 40 mp3 lost music files, 13 lost movies, and about 3 missing programs, I discovered a solution to the missing files issues-very simply, yet annoying. TRASH IT AND START ANEW!! AS crappy as that may sound...it worked. Just make sure you do a search and get rid of every limewire file/folder thing you can find and go back to the site and just try it again and do not change any of the save setting-just let it download where it wants to...at least it will be there...

know this is a bit drastic, but it worked...so far
(note: using v. for MAC OS X)
good luck hope this lit a small light at the end of the tunnel
-yaira