The error is this:
Setting up firefox (3.6.6+nobinonly-0ubuntu0.10.04.1) ...
update-alternatives: error: alternative path /usr/bin/firefox doesn't exist.
This is because you've installed some third party package which has
either diverted or removed that link (probably something from
Ubuntuzilla).
** Attachment added: "Dependencies.txt"
http://launchpadlibrarian.net/51612394/Dependencies.txt
** Attachment added: "ExtensionSummary.txt"
http://launchpadlibrarian.net/51612395/ExtensionSummary.txt
** Attachment added: "profile_default_pluginreg.dat.txt"
http://launchpadlibrarian.net/
