system
6
You could try at [i]http://www.avast.com/en-us/resend-license-free-antivirus.php[/i] so to enter your correct email address, but I wouldn’t know after that how to change the new registration in your own system.
The sales department probably is not the right place, as they would take care of paying customers issues.
You may search the KB for answers, but I doubt there is something like “correct the inserted free registration info”.