Tested again with gnome-software 3.20.1~git20160331.78d1aab-0ubuntu2. The "could not find" page did not show up this time, but just as Alessandro reported I could neither launch Google Chrome nor remove the package from gnome-software.
Tested again with gnome-software 3.20.1~ git20160331. 78d1aab- 0ubuntu2. The "could not find" page did not show up this time, but just as Alessandro reported I could neither launch Google Chrome nor remove the package from gnome-software.