I'm having the same problem where users-admin applet doesn't start -- looks like polkit-gnome-authorization is actually segfaulting. amd64 here.
[EMAIL PROTECTED]:~/Desktop$ cat /proc/version Linux version 2.6.24-19-generic ([EMAIL PROTECTED]) (gcc version 4.2.3 (Ubuntu 4.2.3-2ubuntu7)) #1 SMP Wed Aug 20 17:53:40 UTC 2008 [EMAIL PROTECTED]:~/Desktop$ polkit-gnome-authorization ** (polkit-gnome-authorization:32216): CRITICAL **: dbus_g_connection_get_connection: assertion `gconnection' failed process 32216: arguments to dbus_connection_send() were incorrect, assertion "connection != NULL" failed in file dbus-connection.c line 3081. This is normally a bug in some application using the D-Bus library. ** (polkit-gnome-authorization:32216): CRITICAL **: dbus_g_connection_get_connection: assertion `gconnection' failed process 32216: arguments to dbus_connection_send() were incorrect, assertion "connection != NULL" failed in file dbus-connection.c line 3081. This is normally a bug in some application using the D-Bus library. Segmentation fault -- Users-admin unlock not working https://bugs.launchpad.net/bugs/183673 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs