Your package system seems to be out of sync somehow, and if you need help to sort that, you may want to ask for support:
https://www.ubuntu.com/support/community-support Closing this bug report, since the issue isn't likely a bug which can be fixed. If your further investigation indicates otherwise, please file a new bug report with a description of how the bug can be reproduced. ** Changed in: gnome-control-center (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-control-center in Ubuntu. https://bugs.launchpad.net/bugs/1762256 Title: system settings not installed To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1762256/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs