Refer you to 4 week old post directly above yours with same problem. Note that I supplied my system info so others could help...its a MUST every time you post. You can see from that Post that opening folder, copying WMP arrow file to LW Music Files Folder (which I assume you have already set up and is your designated destination for all downloads), then deleting folder doesn't work...folder comes back. Suggest you create new LimeWire 2 music folder, copy Folders to there, then open to WMP arrow file, copy it to your original LW download destination folder, then delete Folder in LW 2. It may work...don't know your set-up. Before you try any of above, download latest version - LW 4.14.2; that may help. I did it the hard way and suspect there is a very simple solution known to more experienced LW members...hope they help.
Good luck, caseybob