The only thing that looks suspicious is in your .xsession-errors is:
(polkit-gnome-authentication-agent-1:2267): Gtk-CRITICAL **:
gtk_widget_destroy: assertion `GTK_IS_WIDGET (widget)' failed
** Also affects: aptdaemon (Ubuntu)
Importance: Undecided
Status: New
--
Update manager hangs after authenticating, after a while reports "it seems that
the daemon died"
https://bugs.launchpad.net/bugs/445893
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
--
ubuntu-bugs mailing list
[email protected]
https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
