From the translation provided by Alan, we understand that you couldn't activate AVG Driver Updater using the key that you purchased.
We couldn't find a key purchased for AVG Driver Updater product on your account.
Hence, request you to contact our support using this link: https://support.avg.com/support_tech_chat?l=en to locate the key and get further assistance.
NOTE: The support will be provided only in English.
Nach Erwerb des Driver Updater 2018 wird Lizenznummer nicht anerkannt.
From the translation provided by Alan, we understand that you couldn't activate AVG Driver Updater using the key that you purchased.
We couldn't find a key purchased for AVG Driver Updater product on your account.
Hence, request you to contact our support using this link: https://support.avg.com/support_tech_chat?l=en to locate the key and get further assistance.
NOTE: The support will be provided only in English.