how do i resume a download in my incomplete folder

Once you begin a download, you are locked into a specific file name. That means that for Limewire to complete the download, the names must be absolutely identical -- hyphens, capitalization, spelling, spaces, etc. Do a search for this exact name with "grouped" off. Select the name that corresponds to your file.

If the file is not large and you don't mind a bit of wasted MB's, then just hit the grouped download and Limewire will try to get you anything in the list. This means, of course, that if the files have different names, a new download will begin.

Other than that, there is no guarantee that Limewire will only seek the file name you list. When it finds hosts with identical KB's but different names, it will attempt a download.