This is a bug yet once again in the latest version of 16.04.1, that was installed fresh back in November.
sudo rm /etc/apt/apt.conf.d/20auto-upgrades does NOT work. I have to edit 10periodic and set everything to 0, but once you set security updates to download and install automatically, it once again goes dim on next launch of Software and Updates. -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to software-properties in Ubuntu. https://bugs.launchpad.net/bugs/1554099 Title: Changing what action for security updates unusable Status in software-properties package in Ubuntu: Fix Released Status in unattended-upgrades package in Ubuntu: Invalid Status in software-properties source package in Xenial: Fix Released Status in unattended-upgrades source package in Xenial: Invalid Bug description: Open software-properties. Important security updates is not enabled on install. Secondly - it is not possible to change the action to take with security updates even if it is enabled (note: I enabled security updates, reloaded cache and restarted software-properties before trying to change the action) eg - the Display Immediately/Download automatically/Download and install automatically ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: software-properties-gtk 0.96.18 ProcVersionSignature: Ubuntu 4.4.0-10.25-generic 4.4.3 Uname: Linux 4.4.0-10-generic x86_64 ApportVersion: 2.20-0ubuntu3 Architecture: amd64 CurrentDesktop: XFCE Date: Mon Mar 7 15:35:24 2016 InstallationDate: Installed on 2016-03-07 (0 days ago) InstallationMedia: Xubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160307) PackageArchitecture: all SourcePackage: software-properties UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/software-properties/+bug/1554099/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp