Comment 18 for bug 1376776

> It won't install because it keeps insisting a newer version is already installed.

Hmm, it sure installs fine here. Here's my output of "apt-cache policy unity-control-center"
unity-control-center:
  Installed: 14.04.3+14.04.20140922-0ubuntu2
  Candidate: 14.04.3+14.04.20140922-0ubuntu2
  Version table:
 *** 14.04.3+14.04.20140922-0ubuntu2 0
        500 http://ppa.launchpad.net/diwic/temp/ubuntu/ trusty/main amd64 Packages
        100 /var/lib/dpkg/status
     14.04.3+14.04.20140922-0ubuntu1 0
        500 http://se.archive.ubuntu.com/ubuntu/ trusty-updates/main amd64 Packages
     14.04.3+14.04.20140410-0ubuntu1 0
        500 http://se.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages