I'm not sure I'm seeing the problem as described but testing Xubuntu 17.10 32-bit and 64-bit live ISOs I can certainly confirm that I am not *always* able to change the status of the checkboxes. A logout and login or a restart of the panel seems to restore correct operation.
** Tags added: artful -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1311685 Title: Checkboxes for hidden/visible indicators not working properly To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xfce4-indicator-plugin/+bug/1311685/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs