In my case, I was getting this error because I didn't have a PolicyKit authentication agent running. Launching `/usr/lib/policykit-1-gnome /polkit-gnome-authentication-agent-1` before running usb-creator-gtk fixed this issue for me.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1459756 Title: org.freedesktop.DBus.Python.dbus.exceptions.DBusException: com.ubuntu.USBCreator.Error.NotAuthorized To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/usb-creator/+bug/1459756/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
