I had this as well for Google Chrome and a workaround seems to be: open terminal and use dpkg -i <packagename>.deb followed by sudo apt- get -f install which brought in the dependent packages needed for Chrome to install.
-- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-software in Ubuntu. https://bugs.launchpad.net/bugs/1573206 Title: GNOME Software does not install third-party .deb packages To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-software/+bug/1573206/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs