They were removed how? If they were moved then move them back! lol If you accidentally stopped sharing files then go to LW's Library then menu File>Add Folder to Share

If you pressed the Delete button from the library then stop everything. Close LW & stop writing to your HDD. You'll need a file recovery utility. Norton Utilities does a good job. Others are around.

Here's some links I quickly found: http://www.gnutellaforums.com/search...der=descending