Cancelling my tune up subscription

Hello Jackie,
The auto renewal status of AVG TuneUp (60-day Trial) has been cancelled already on 12/21/18  and confirmation email has been sent to your registered email address on the same date.
Today you received a reminder notification to renew this product manually. You will not be charged automatically.

How do I cancel my tuneup
subscription before I am automatically billed?

Hello Jackie,
The auto renewal status of AVG TuneUp (60-day Trial) has been cancelled already on 12/21/18  and confirmation email has been sent to your registered email address on the same date.
Today you received a reminder notification to renew this product manually. You will not be charged automatically.