It sounds like you chose a different downld location to the previous version you had on your computer & that's why your incompletes weren't recognised. But I would have thought you'd be using the same preferences so I don't know why this should have happened.

LW will refuse to load incompletes for these reasons:

1. Your system crashes whilst LW is open.
2. You jump backward to an earlier version of LW.
3. You don't close LW properly before shutting down the computer. LW can take a minute to close properly. If you have your LW options set to close only after present uplds & downlds have completed, then it won't close down fully. (LW's menu bar, Tools>Options>Shutdown)
4. You accidentally erase the download.dat file which is found in the incomplete folder.
5. You have your downld folder (& thus incomplete folder) set for within the LW program folder. And you then install over the top of this folder.

Perhaps you should delete your LW preferences. For LW 4.10 you'll need to do this twice since you had a previous version earlier.
(a) Delete your LW Preferences folder whilst LW is closed; instructions here: Point #2 in Fixes for Limewire (sample at bottom of page.)

(b) Similar to above but instead, the 4.10 preferences folder is called limewire. Instructions here http://www.gnutellaforums.com/showth...449#post182449

BTW if you want your old incompletes, then search your computer for the previous downld folder & choose that one when you set LW's options up again.