Charged $74.99. Didn't authorize this

Ara, you have been charged for the auto renewal of AVG Internet Security - Unlimited (1 year subscription)

I have sent you an email regarding refund, please reply to the email with the requested information.

I was charged $74.99 on my bank account from "DRIAVG" 
I did not authorize this from DRI
AVG Technologies.
I need a refund and support please.

Ara, you have been charged for the auto renewal of AVG Internet Security - Unlimited (1 year subscription)

I have sent you an email regarding refund, please reply to the email with the requested information.