Cancelling an AVG subscription

Hello Gao, 
You've reached the AVG community support forum.
We are sorry to hear that you want to cancel AVG subscription. 
We will certainly look into this and help you. As it is not recommended to discuss your order/subscription details over this public post. Hence, we've sent you an email to your registered email address. Please check for the email and revert to us.
Thank you for your understanding.

This subscription can be seen in the software program and has a subscription code. However, the existence of this subscription cannot be found in the personal account. I hope to be able to cancel the subscription to avoid being charged in the future.

Hello Gao, 
You've reached the AVG community support forum.
We are sorry to hear that you want to cancel AVG subscription. 
We will certainly look into this and help you. As it is not recommended to discuss your order/subscription details over this public post. Hence, we've sent you an email to your registered email address. Please check for the email and revert to us.
Thank you for your understanding.