the issue is not a gnome-control-one then, shared-mime-info installs the system definition to /usr/share/mime, the .local directory is an user one for customization, you installed or used a software which writtes buggy definitions there, that's not a default ubuntu software but if you figure which one open a bug against this one
** Changed in: gnome-control-center (Ubuntu) Status: Incomplete => Invalid -- Can't add new wallpapers using gnome interface and Images (like jpeg) are not detected as it. https://bugs.launchpad.net/bugs/258081 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