Confusing me now too. I wonder if your downld preferences got corrupted. If they were 100% downlded they should be in the shared folder (alias Saved Files folder.) Select the Shared folder listed in the LW Lib window & press the Explore button. Are there no downlds in there?
Try deleting your LW Preferences folder whilst LW is closed; instructions here:
Fixes for Limewire
Then re-search the topics of the files again. They should have an open manilla folder icon if they haven't finished downlding. Then select them to downld again. Also go to LW's menu Tools>Options>Downlds & tick Autoclear completed downlds & press Apply button.