Same is happening with latest Ubuntu (Unity) Xenial daily ISO (sha1sum 8e06dd499bfe357ebbad44c827d8428d70baacf4).
I attached a screenshot of the same problem under Unity. This bug has been around for a few weeks or so, although I'm not exactly sure when it was introduced. ** Attachment added: "Screenshot from 2016-03-07 14-34-51.png" https://bugs.launchpad.net/ubuntu/+source/software-properties/+bug/1554099/+attachment/4591889/+files/Screenshot%20from%202016-03-07%2014-34-51.png -- 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: Confirmed 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
