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Edit File: org.freedesktop.Flatpak.SystemHelper.conf
<?xml version="1.0" encoding="UTF-8"?> <!-- -*- XML -*- --> <!DOCTYPE busconfig PUBLIC "-//freedesktop//DTD D-BUS Bus Configuration 1.0//EN" "http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd"> <busconfig> <!-- This configuration file specifies the required security policies for the the flatpak system helper to work. --> <policy user="root"> <allow own="org.freedesktop.Flatpak.SystemHelper"/> </policy> <!-- Allow anyone to call into the service - we'll reject callers using PolicyKit --> <policy context="default"> <allow send_destination="org.freedesktop.Flatpak.SystemHelper" send_interface="org.freedesktop.Flatpak.SystemHelper"/> <allow send_destination="org.freedesktop.Flatpak.SystemHelper" send_interface="org.freedesktop.DBus.Introspectable"/> <allow send_destination="org.freedesktop.Flatpak.SystemHelper" send_interface="org.freedesktop.DBus.Peer"/> </policy> </busconfig>