I can confirm this. Also, specifying the -d flag upon executing this program through a terminal emulator returns no useful debug info to help us.
-- 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/1656100 Title: Unable to remove signing keys using gnome-software-properties Status in Ubuntu GNOME: Invalid Status in software-properties package in Ubuntu: Confirmed Bug description: I have found that on Ubuntu GNOME 16.10 with GNOME 3.22 that I am unable to remove signing keys in the Authentication tab. If I select a key I wish to remove and click the Remove button, either nothing will happen, or it will ask me for authentication, upon giving it the correct password all that will happen is it will deselect the key I select, but at no point will it actually remove it, which is rather annoying. ProblemType: Bug DistroRelease: Ubuntu 16.10 Package: software-properties-gtk 0.96.24.7 ProcVersionSignature: Ubuntu 4.8.0-34.36-generic 4.8.11 Uname: Linux 4.8.0-34-generic x86_64 ApportVersion: 2.20.3-0ubuntu8.2 Architecture: amd64 CurrentDesktop: GNOME Date: Thu Jan 12 21:35:55 2017 InstallationDate: Installed on 2017-01-09 (3 days ago) InstallationMedia: Ubuntu-GNOME 16.10 "Yakkety Yak" - Release amd64 (20161012.1) 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-gnome/+bug/1656100/+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