I solved it by adding it to autostart (gnome-session-properties) PolicyKit Authentication Agent command:
/ usr/lib/policykit-1-gnome/polkit-gnome-authentication-agent-1 -- Install button does nothing when clicked https://bugs.launchpad.net/bugs/489519 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
