3 points. There's been a virus attacking many LW users over the past 2 weeks. Someone found an answer to it. It might not be the same one but it's worth looking at: LimeWire continually Popping up every few seconds & also Opening at System Startup

2. The normal process of uninstalling LW is to go to the Start menu >Programs>LW>Uninstall (or you can find the uninstaller in the program folder!)

3. For files that refuse to be deleted, see http://ask-leo.com/why_cant_i_delete_this_file.html

There's also this:
How to delete files from your hard-disk: download: moveonboot.exe
This program will allow you to select a file that you want to move or delete. When you reboot, the file will be moved to the location you want or if you've chosen to delete, it will be gone!

http://www.gnutellaforums.com/showth...threadid=37258
(Adjust register key)