I got charged for a subscription I cancelled and I can't even use

Hello Jean, 
You've reached the AVG community support forum.
We understand that you are unable to use the subscription and want to get a refund. 
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.

What the tittle says, i cancelled my subscription before it renewed and i got charged for 90 euros and the best thing is i can't even use the app, the account says it's cancelled... I would like a refund and make sure I'm not charged again next year.

 

Hello Jean, 
You've reached the AVG community support forum.
We understand that you are unable to use the subscription and want to get a refund. 
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.