This is what I get when I run gnome-software through terminal. Opens fine but I press the install button for the update and this is the terminal activity as follows. dad@TheBeast:~$ gnome-software (gnome-software:5171): Gs-WARNING **: failed to open plugin /usr/lib/gs-plugins-9/libgs_plugin_xdg_app_reviews.so: /usr/lib/gs-plugins-9/libgs_plugin_xdg_app_reviews.so: cannot open shared object file: No such file or directory (gnome-software:5171): Gs-WARNING **: Failed to create permission org.freedesktop.packagekit.trigger-offline-update: GDBus.Error:org.freedesktop.PolicyKit1.Error.Failed: Action org.freedesktop.packagekit.trigger-offline-update is not registered (gnome-software:5171): Gs-WARNING **: Failed to create permission org.freedesktop.packagekit.trigger-offline-update: GDBus.Error:org.freedesktop.PolicyKit1.Error.Failed: Action org.freedesktop.packagekit.trigger-offline-update is not registered (gnome-software:5171): Gs-WARNING **: Failed to create permission org.freedesktop.packagekit.trigger-offline-update: GDBus.Error:org.freedesktop.PolicyKit1.Error.Failed: Action org.freedesktop.packagekit.trigger-offline-update is not registered (gnome-software:5171): Gs-WARNING **: Failed to create permission org.freedesktop.packagekit.trigger-offline-update: GDBus.Error:org.freedesktop.PolicyKit1.Error.Failed: Action org.freedesktop.packagekit.trigger-offline-update is not registered (gnome-software:5171): Gs-WARNING **: Failed to create permission org.freedesktop.packagekit.trigger-offline-update: GDBus.Error:org.freedesktop.PolicyKit1.Error.Failed: Action org.freedesktop.packagekit.trigger-offline-update is not registered (gnome-software:5171): Gs-WARNING **: Failed to create permission org.freedesktop.packagekit.trigger-offline-update: GDBus.Error:org.freedesktop.PolicyKit1.Error.Failed: Action org.freedesktop.packagekit.trigger-offline-update is not registered (gnome-software:5171): GsPlugin-WARNING **: failed to load stock icon hexter: Icon 'hexter' not present in theme (null) (gnome-software:5171): GsPlugin-WARNING **: failed to load stock icon applications-mail: Icon 'applications-mail' not present in theme (null) (gnome-software:5171): GsPlugin-WARNING **: failed to load stock icon applications-chat: Icon 'applications-chat' not present in theme (null) (gnome-software:5171): GsPlugin-WARNING **: failed to load stock icon qjadeo: Icon 'qjadeo' not present in theme (null) (gnome-software:5171): Gs-WARNING **: Failed to create permission org.freedesktop.packagekit.trigger-offline-update: GDBus.Error:org.freedesktop.PolicyKit1.Error.Failed: Action org.freedesktop.packagekit.trigger-offline-update is not registered (gnome-software:5171): Gs-WARNING **: Failed to create permission org.freedesktop.packagekit.trigger-offline-update: GDBus.Error:org.freedesktop.PolicyKit1.Error.Failed: Action org.freedesktop.packagekit.trigger-offline-update is not registered (gnome-software:5171): Gs-WARNING **: scribus.desktop changing management plugin apt->PackageKit (gnome-software:5171): GsPlugin-WARNING **: failed to load stock icon qjadeo: Icon 'qjadeo' not present in theme (null) (gnome-software:5171): GsPlugin-WARNING **: failed to load stock icon applications-chat: Icon 'applications-chat' not present in theme (null) (gnome-software:5171): GsPlugin-WARNING **: failed to load stock icon applications-mail: Icon 'applications-mail' not present in theme (null) (gnome-software:5171): GsPlugin-WARNING **: failed to load stock icon hexter: Icon 'hexter' not present in theme (null) (gnome-software:5171): Gs-WARNING **: Failed to create permission org.freedesktop.packagekit.trigger-offline-update: GDBus.Error:org.freedesktop.PolicyKit1.Error.Failed: Action org.freedesktop.packagekit.trigger-offline-update is not registered (gnome-software:5171): GsPlugin-WARNING **: failed to load stock icon hexter: Icon 'hexter' not present in theme (null) (gnome-software:5171): GsPlugin-WARNING **: failed to load stock icon applications-mail: Icon 'applications-mail' not present in theme (null) (gnome-software:5171): GsPlugin-WARNING **: failed to load stock icon applications-chat: Icon 'applications-chat' not present in theme (null) (gnome-software:5171): GsPlugin-WARNING **: failed to load stock icon qjadeo: Icon 'qjadeo' not present in theme (null) (gnome-software:5171): Gs-WARNING **: Failed to create permission org.freedesktop.packagekit.trigger-offline-update: GDBus.Error:org.freedesktop.PolicyKit1.Error.Failed: Action org.freedesktop.packagekit.trigger-offline-update is not registered (gnome-software:5171): Gs-WARNING **: scribus.desktop changing management plugin apt->PackageKit (gnome-software:5171): GsPlugin-WARNING **: failed to load stock icon qjadeo: Icon 'qjadeo' not present in theme (null) (gnome-software:5171): GsPlugin-WARNING **: failed to load stock icon applications-chat: Icon 'applications-chat' not present in theme (null) (gnome-software:5171): GsPlugin-WARNING **: failed to load stock icon applications-mail: Icon 'applications-mail' not present in theme (null) (gnome-software:5171): GsPlugin-WARNING **: failed to load stock icon hexter: Icon 'hexter' not present in theme (null) (gnome-software:5171): Gs-WARNING **: Failed to create permission org.freedesktop.packagekit.trigger-offline-update: GDBus.Error:org.freedesktop.PolicyKit1.Error.Failed: Action org.freedesktop.packagekit.trigger-offline-update is not registered (gnome-software:5171): Gs-WARNING **: Failed to create permission org.freedesktop.packagekit.trigger-offline-update: GDBus.Error:org.freedesktop.PolicyKit1.Error.Failed: Action org.freedesktop.packagekit.trigger-offline-update is not registered (gnome-software:5171): GsPlugin-WARNING **: failed to load stock icon hexter: Icon 'hexter' not present in theme (null) (gnome-software:5171): GsPlugin-WARNING **: failed to load stock icon applications-mail: Icon 'applications-mail' not present in theme (null) (gnome-software:5171): Gs-WARNING **: Failed to create permission org.freedesktop.packagekit.trigger-offline-update: GDBus.Error:org.freedesktop.PolicyKit1.Error.Failed: Action org.freedesktop.packagekit.trigger-offline-update is not registered (gnome-software:5171): GsPlugin-WARNING **: failed to load stock icon applications-chat: Icon 'applications-chat' not present in theme (null) (gnome-software:5171): GsPlugin-WARNING **: failed to load stock icon qjadeo: Icon 'qjadeo' not present in theme (null) (gnome-software:5171): Gs-WARNING **: scribus.desktop changing management plugin apt->PackageKit (gnome-software:5171): GsPlugin-WARNING **: failed to load stock icon qjadeo: Icon 'qjadeo' not present in theme (null) (gnome-software:5171): GsPlugin-WARNING **: failed to load stock icon applications-chat: Icon 'applications-chat' not present in theme (null) (gnome-software:5171): GsPlugin-WARNING **: failed to load stock icon applications-mail: Icon 'applications-mail' not present in theme (null) (gnome-software:5171): GsPlugin-WARNING **: failed to load stock icon hexter: Icon 'hexter' not present in theme (null) (gnome-software:5171): Gs-WARNING **: Failed to create permission org.freedesktop.packagekit.trigger-offline-update: GDBus.Error:org.freedesktop.PolicyKit1.Error.Failed: Action org.freedesktop.packagekit.trigger-offline-update is not registered (gnome-software:5171): Gs-WARNING **: Failed to create permission org.freedesktop.packagekit.trigger-offline-update: GDBus.Error:org.freedesktop.PolicyKit1.Error.Failed: Action org.freedesktop.packagekit.trigger-offline-update is not registered On 04/27/2016 03:01 AM, Sebastien Bacher wrote: > Thank you for your bug report. Do you get any error if you start it from > the command line? Does installation software work as it should? > > ** Changed in: gnome-software (Ubuntu) > Importance: Undecided => High > > ** Changed in: gnome-software (Ubuntu) > Status: New => Incomplete >