Could you please generate an apport crash report for this? A crash report will
help in resolving your problem.
You can enable apport for one instance like this in the terminal:
sudo service apport start force_start=1
I am marking this invalid as apport will open a new bug when the crash
is genera
** Attachment added: "Dependencies.txt"
http://launchpadlibrarian.net/51582556/Dependencies.txt
** Attachment added: "ExtensionSummary.txt"
http://launchpadlibrarian.net/51582557/ExtensionSummary.txt
** Attachment added: "profile_default_pluginreg.dat.txt"
http://launchpadlibrarian.net/