Comment 16 for bug 60138

output of apt-cache policy firefox, as requested by John Vivirito:

root@gateway:/etc/bind# apt-cache policy firefox
firefox:
  Installed: 1.5.dfsg+1.5.0.5-0ubuntu6.06.1
  Candidate: 1.5.dfsg+1.5.0.10-0ubuntu0.6.06.2
  Version table:
     1.5.dfsg+1.5.0.10-0ubuntu0.6.06.2 0
        500 http://security.ubuntu.com dapper-security/main Packages
 *** 1.5.dfsg+1.5.0.5-0ubuntu6.06.1 0
        100 /var/lib/dpkg/status
     1.5.dfsg+1.5.0.3-0ubuntu3 0
        500 http://gb.archive.ubuntu.com dapper/main Packages

Alexander asked me to check that there are no other firefox processes running. I ran this command:
ps aux | grep fire
and the result is:
root 3409 0.0 0.1 2892 820 pts/1 S+ 20:00 0:00 grep fire
which indicates that there are no other firefox processes running.