Try checking if the /tmp/libgksu-*/.Xauthority file is created with the right ownership of the target user?
-- gksu breaks X apps when /etc/sudoers has NOPASSWORD: https://bugs.launchpad.net/bugs/66328 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