Upon looking at your video again, I'm wondering: Do you have two monitors set up? This looks like a bad interaction between two resolutions. I've also noticed that when you minimized VLC, the software center does not have focus. This does not happen on either Oneiric or Precise to me as well.
Upon looking at your video again, I'm wondering: Do you have two monitors set up? This looks like a bad interaction between two resolutions. I've also noticed that when you minimized VLC, the software center does not have focus. This does not happen on either Oneiric or Precise to me as well.