Cancelling my subscription

Subscription cancelled (https://support.avg.com/answers?id=9060N0000000av1QAA).
AVG Guru

I also do not want to continue with my subscription.  The same like above : it does not appear on my account so I cannot notify AVG about my intention to cancel. Please sort this out for me.  Thanks.
My subscription details
Original order number: 10542870772
Original order date: 3 September 2017
Subscription expires: 3 September  2018
Billing amount: 54,99 €

Please give me a replay !

    Subscription cancelled (https://support.avg.com/answers?id=9060N0000000av1QAA).
    AVG Guru