Silent Installation, registration?

I am trying to make avast install with an unattended installation of windows xp. I got avast to install, but is there a way to enter my license key so that it won’t bug me and so that I don’t have to enter it before it will run?

Too my knowledge it ain’t possible. But Avast will run without a key. It will function as a trial.

Well, what’s with having this in the Admin.ini file:

[Admin]
SilentInstallation=1
VerySilentInstallation=0
Path=%PRGFILES%\Alwil Software\Avast4
Serial=this being where the key goes…