fix Avast activation issues (Avast account)

Try these possible solutions:

• Ensure that you are entering the credentials for the Avast Account that is linked to your Avast Premium Security (Multi-Device) subscription. To verify this, sign in to your Avast Account in your web browser and click the Subscriptions tile to see a list of the linked subscriptions.
• If your Avast Premium Security (Multi-Device) subscription is not visible in your Avast Account, refer to the following article to manually link the subscription to your Avast Account.
  • Linking an Avast subscription to your Avast Account
• Try following the instructions to activate using an activation code instead. You can find your activation code in your order confirmation email or in your Avast Account. For detailed instructions on how to find your activation code, refer to the following articles:
  • Locating your Avast activation code
  • Retrieving an activation code from your Avast Account
• Completely uninstall and then reinstall the Avast Premium Security or Avast Mobile Security Premium app. This can resolve issues that are caused by incorrect configuration or corrupted files. We recommend following the exact steps in the articles linked below:
  • Avast Premium Security for Windows and Mac: Uninstallation | Installation
  • Avast Mobile Security Premium for Android and iOS: Uninstallation | InstallationAfter reinstallation, try activating your subscription again.

Source : Official Avast Brand
Editor by : BEST Antivirus KBS Team