Comment 32 for bug 1563155

I tried all the mentioned commands and none worked for me! when I open it using gnome-software it shows the categories without images for less than a sec and then goes to no application page! and prints this output:
(gnome-software:30382): 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:30382): 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:30382): 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:30382): 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:30382): 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:30382): Gs-WARNING **: failed to call gs_plugin_refine on appstream: Failed to parse /usr/share/app-info/xmls/org.freedesktop.fwupd.xml file: cannot process file of type application/x-go+xml

(gnome-software:30382): Gs-WARNING **: failed to call gs_plugin_add_category_apps on appstream: Failed to parse /usr/share/app-info/xmls/org.freedesktop.fwupd.xml file: cannot process file of type application/x-go+xml

(gnome-software:30382): Gs-WARNING **: failed to call gs_plugin_add_categories on appstream: Failed to parse /usr/share/app-info/xmls/org.freedesktop.fwupd.xml file: cannot process file of type application/x-go+xml

(gnome-software:30382): Gs-WARNING **: failed to call gs_plugin_refine on appstream: Failed to parse /usr/share/app-info/xmls/org.freedesktop.fwupd.xml file: cannot process file of type application/x-go+xml

(gnome-software:30382): Gs-WARNING **: failed to call gs_plugin_refine on appstream: Failed to parse /usr/share/app-info/xmls/org.freedesktop.fwupd.xml file: cannot process file of type application/x-go+xml

(gnome-software:30382): Gs-WARNING **: failed to get recommended applications: no get_category_apps results to show

(gnome-software:30382): Gs-WARNING **: failed to get popular apps: no popular apps to show

(gnome-software:30382): Gs-WARNING **: failed to get featured apps: no featured apps to show

(gnome-software:30382): 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:30382): Gs-WARNING **: failed to call gs_plugin_add_distro_upgrades on appstream: Failed to parse /usr/share/app-info/xmls/org.freedesktop.fwupd.xml file: cannot process file of type application/x-go+xml

(gnome-software:30382): Gs-WARNING **: failed to call gs_plugin_refine on appstream: Failed to parse /usr/share/app-info/xmls/org.freedesktop.fwupd.xml file: cannot process file of type application/x-go+xml

(gnome-software:30382): Gs-WARNING **: failed to call gs_plugin_add_updates_historical on fwupd: failed to start fwupd: Error calling StartServiceByName for org.freedesktop.fwupd: GDBus.Error:org.freedesktop.DBus.Error.TimedOut: Failed to activate service 'org.freedesktop.fwupd': timed out

(gnome-software:30382): Gs-WARNING **: failed to call gs_plugin_refine on appstream: Failed to parse /usr/share/app-info/xmls/org.freedesktop.fwupd.xml file: cannot process file of type application/x-go+xml

(gnome-software:30382): GsPlugin-WARNING **: could not lookup cached macaroon: Error calling StartServiceByName for org.freedesktop.secrets: Timeout was reached

(gnome-software:30382): Gs-WARNING **: failed to call gs_plugin_add_installed on appstream: Failed to parse /usr/share/app-info/xmls/org.freedesktop.fwupd.xml file: cannot process file of type application/x-go+xml

(gnome-software:30382): Gs-WARNING **: failed to call gs_plugin_refine on appstream: Failed to parse /usr/share/app-info/xmls/org.freedesktop.fwupd.xml file: cannot process file of type application/x-go+xml

(gnome-software:30382): Gs-WARNING **: failed to get installed apps: no installed applications to show after invalid

(gnome-software:30382): Gs-WARNING **: failed to call gs_plugin_add_updates on fwupd: failed to start fwupd: Error calling StartServiceByName for org.freedesktop.fwupd: GDBus.Error:org.freedesktop.DBus.Error.TimedOut: Failed to activate service 'org.freedesktop.fwupd': timed out

(gnome-software:30382): Gs-WARNING **: failed to call gs_plugin_refine on appstream: Failed to parse /usr/share/app-info/xmls/org.freedesktop.fwupd.xml file: cannot process file of type application/x-go+xml

(gnome-software:30382): 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:30382): Gs-WARNING **: failed to call gs_plugin_add_distro_upgrades on appstream: Failed to parse /usr/share/app-info/xmls/org.freedesktop.fwupd.xml file: cannot process file of type application/x-go+xml

(gnome-software:30382): Gs-WARNING **: failed to call gs_plugin_refine on appstream: Failed to parse /usr/share/app-info/xmls/org.freedesktop.fwupd.xml file: cannot process file of type application/x-go+xml