Most "2038" keys only work with older versions of Avast (such as version 7 or earlier) or specifically for the Avast Free Antivirus product.
and typically do not work with modern versions of the software. License Revocation: avast antivirus license key 2038
This paper has some limitations. The information provided is based on publicly available data and may not reflect the current views of Avast Antivirus company. Additionally, the paper does not provide a technical analysis of the license key 2038. Most "2038" keys only work with older versions
: Right-click the Avast icon in your system tray and select Open Avast User Interface [10]. avast antivirus license key 2038