Maybe I'm posting in the wrong place, if so, thank you for telling it and guide me to the wright one. I have also a problem with synaptic and polkit when I launch it from the menu with synaptic-pkexec it gives me this error (seens Xubuntu 11.10):
(polkit-gnome-authentication-agent-1:8248): polkit-gnome-1-WARNING **: Unable to get a pixbuf for GTK_STOCK_DIALOG_AUTHENTICATION (gtk-dialog- authentication) at size 48 I'm on Xubuntu 12.04 LTS 64 bit and by every session (autologin + autostartx with mingetty and no DM) I got this error from polkit-agent: (polkit-gnome-authentication-agent-1:8248): GLib-CRITICAL **: g_variant_new_string: assertion `string != NULL' failed (polkit-gnome-authentication-agent-1:8248): polkit-gnome-1-WARNING **: Failed to register client: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.gnome.SessionManager was not provided by any .service files The workaround is to start synaptic in a terminal with gksudo synaptic and no error occur. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/976638 Title: pkexec does not find any authentication agent To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/policykit-1/+bug/976638/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs