The warnings suggest you don't have accountsservice-ubuntu-schemas installed, that shouldn't be an issue for vlc but it suggests your installation is not a standard one, could you try on an unity session (maybe using the guest session) if the indicator is working?
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1609370 Title: VLC cannot be controlled via sound-indicator To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/indicator-sound/+bug/1609370/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs