Constant 'Invisible' Downloading

Songbird constantly 'thinks' that I'm downlaoding something. The download icon is animated as if I were downloading a file, but I'm not.

This problem prevents me from downloading new media as Songbirds thinks it's already downloading a file, and presumably won't start downloading my new file until the 'invisible' file is finished, which it never will be.

The photo illustrates how it look when the downloading is active, the file I want to download stays queued because Songbird thinks I'm already downloading another file.