Not recognize my activation code

I bought the AVG Tune Up and it does not recognize my activation code that was sent to me by mail

Hi Eduardo,

We're glad to help you with the activation process.
As it isn't recommended to share the license info over this post, we've sent you an email regarding it.
Please check & revert to us via email to proceed further.

Hi Eduardo,

We're glad to help you with the activation process.
As it isn't recommended to share the license info over this post, we've sent you an email regarding it.
Please check & revert to us via email to proceed further.