- Stop the automatic updater.
sudo dpkg-reconfigure -plow unattended-upgrades
At the first prompt, choose not to download and install updates.
Make a reboot. - Make sure any packages in an unclean state are installed correctly.
sudo dpkg --configure -a
- Get your system up-top-date.
sudo apt update && sudo apt -f install && sudo apt full-upgrade
- Turn the automatic updater back on, now that the blockage is cleared.
sudo dpkg-reconfigure -plow unattended-upgrades
Select the package unattended-upgrades again.