To disable auto-renewal of the Avast software license, follow the steps described for the distributor you used to purchase the license.

  1. Disabling Automatic Renewal service for Avast orders distributed by DIGITAL RIVER see link https://www.avast.com/faq.php?article=AVKB126

  2. Disabling Automatic Renewal service for Avast orders distributed by NEXWAY see link https://www.avast.com/faq.php?article=AVKB136

OR send a Submit a Support Ticket for further help see link https://support.avast.com/