Registration key not received

I installed Avast 4.1 yesterday, but have not received my registration key yet. Ther are onlu three messages in my inbox, so space is not the problem. I have a Yahoo mail account; can I re-register using it? :smiley:

you can register again.If that can’t help you must make a mailaccount by your ISP :wink:

Take care about spam killers… Maybe it caught the avast email :-[