Is that still an issue? What software do you try to install? Could you add your journalctl log after getting the issue?
** Changed in: gnome-software (Ubuntu) Importance: Undecided => Low ** Changed in: gnome-software (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-software in Ubuntu. https://bugs.launchpad.net/bugs/1789216 Title: Software Center: install button not work Status in gnome-software package in Ubuntu: Incomplete Bug description: After upgrading ubuntu 17.04 to 18.04, the install button does nothing in the software center ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: gnome-software 3.22.7-0ubuntu3.17.04.8 ProcVersionSignature: Ubuntu 4.15.0-33.36-generic 4.15.18 Uname: Linux 4.15.0-33-generic x86_64 ApportVersion: 2.20.9-0ubuntu7.2 Architecture: amd64 CurrentDesktop: Unity:Unity7 Date: Mon Aug 27 15:00:46 2018 InstallationDate: Installed on 2017-08-26 (365 days ago) InstallationMedia: Ubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412) SourcePackage: gnome-software UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-software/+bug/1789216/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp