Thank you for reporting this to Ubuntu. Could you please generate an apport
crash report for this?
You can enable apport for one instance like this:
sudo force_start=1 /etc/init.d/apport restart
I am marking this invalid as apport will open a new bug when the crash
is generated. If it does not,
** Attachment added: Dependencies.txt
http://launchpadlibrarian.net/29084011/Dependencies.txt
** Attachment added: ExtensionSummary.txt
http://launchpadlibrarian.net/29084012/ExtensionSummary.txt
** Attachment added: pluginreg.dat.txt
