This may not be the most efficient way, but if you're using Windows 2000 or XP you can just do a search for folders that are 0 KB.

Someone asked me – Is it safe to delete empty folders, which made me search for some good empty folder deleting freeware. While you would make no real space savings as they occupy 0 bytes, if it is ...

Windows only: Free, open source application Remove Empty Directories (RED) searches your computer for empty folders and deletes the ones you don't want around anymore. Just point RED at the drive or ...

Remove Empty Directories is a small freeware program that hunts out and deletes empty folders to clean your system up. It works well, but would be better with a restore feature. One of the downsides ...