This error is common when you mistype your activation code. Make sure you have entered your activation code correctly (including hyphens). We recommend copying and pasting your activation code directly from an order confirmation email or your Avast Account.
You can also activate your subscription by signing into the relevant Avast product using your Avast Account credentials. You can find detailed instructions for activation below, depending on your product and device. For further assistance click “Can’t renew avast free” here