Comment 17 for bug 1363630

I deleted the file and re-ran the previous install command and now I have:

tadiv@tadiv-desktop:~$ apt-cache policy indicator-session
indicator-session:
  Installed: 12.10.5+14.04.20150404-0ubuntu1
  Candidate: 12.10.5+14.04.20150404-0ubuntu1
  Version table:
 *** 12.10.5+14.04.20150404-0ubuntu1 0
        500 http://us.archive.ubuntu.com/ubuntu/ trusty-proposed/main i386 Packages
        100 /var/lib/dpkg/status
     12.10.5+14.04.20140925-0ubuntu1 0
        500 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main i386 Packages
     12.10.5+14.04.20140410-0ubuntu1 0
        500 http://us.archive.ubuntu.com/ubuntu/ trusty/main i386 Packages

I'll test in a minute and reply as to success or not...

Tom