AVG Internet Security VS AVG AntiTrack

I was informed that my account was expired so I renovated it, thinking I was renovating AVG Internet Security. I have discovered that I have paid for AVG AntiTrack.
I want to change it: how to proceed? 
Thanks for yr help.
Ugo

Hello Ugo,
Thank you for contacting AVG Community Support.
We are really sorry to know that you have mistakenly purchased AVG AntiTrack instead of AVG Internet Security. We'll certainly check and help you out.
As it isn't advised to discuss personal/account related info here, we've sent you an email with further details. Please check your inbox/spam folders to find the email and use it to get back to us.

Thank you and keep us updated.

Hello Ugo,
Thank you for contacting AVG Community Support.
We are really sorry to know that you have mistakenly purchased AVG AntiTrack instead of AVG Internet Security. We'll certainly check and help you out.
As it isn't advised to discuss personal/account related info here, we've sent you an email with further details. Please check your inbox/spam folders to find the email and use it to get back to us.

Thank you and keep us updated.