com.ubuntu.desktop.pkla - is out of date - wrong group name

The default policykit file is out of date. It refers to a group named admin, but it was replaced with adm user group.
/var/lib/polkit-1/localauthority/10-vendor.d/com.ubuntu.desktop.pkla

[Mounting, checking, etc. of internal drives]
Identity=unix-group:admin;unix-group:sudo
Action=org.freedesktop.udisks.filesystem-*;org.freedesktop.udisks.drive-ata-smart*
ResultActive=yes

[Change CPU Frequency scaling]
Identity=unix-group:admin;unix-group:sudo
Action=org.gnome.cpufreqselector
ResultActive=yes

[Setting the clock]
Identity=unix-group:admin;unix-group:sudo
Action=org.gnome.clockapplet.mechanism.*;org.gnome.settingsdaemon.datetimemechanism.*;org.kde.kcontrol.kcmclock.save
ResultActive=yes

[Adding or changing system-wide NetworkManager connections]
Identity=unix-group:admin;unix-group:sudo
Action=org.freedesktop.NetworkManager.settings.modify.system
ResultActive=yes

[Update already installed software]
Identity=unix-group:admin;unix-group:sudo
Action=org.debian.apt.upgrade-packages
ResultActive=yes

[usb-creator]
Identity=unix-group:admin;unix-group:sudo
Action=com.ubuntu.usbcreator.mount;com.ubuntu.usbcreator.image
ResultActive=yes

[Printer administration]
Identity=unix-group:lpadmin;unix-group:admin;unix-group:sudo
Action=org.opensuse.cupspkhelper.mechanism.*
ResultActive=yes

[Disable hibernate by default]
Identity=unix-user:*
Action=org.freedesktop.upower.hibernate
ResultActive=no