Changing payment Debit card

Helle Rowe.
Thank you for contacting AVG Community Support.
We apologize for the inconvenience caused to you.
We have a specialized billing team, who'll give better clarity regarding this concern.
Please use the below link to contact them :
https://support.avg.com/support_sales_chat?formType=sales
Please feel free to reach us again if you need any other help with AVG.
We appericate your understanding.

Hello - I am attempting to change my debit card, I have 5 subscriptions and was successful in changing AVG VPN, Thereafter I got "Sorry there is a Glitch' for the remaining 4 after several attempts. Help Please.

Helle Rowe.
Thank you for contacting AVG Community Support.
We apologize for the inconvenience caused to you.
We have a specialized billing team, who'll give better clarity regarding this concern.
Please use the below link to contact them :
https://support.avg.com/support_sales_chat?formType=sales
Please feel free to reach us again if you need any other help with AVG.
We appericate your understanding.

Hello Rizwan,
We appreciate your suggestion, If you have any concerns regarding AVG, 
please create a separate AVG community post by clicking the link below and post your questions in your own post, so we will check with your AVG account and help you accordingly.
https://support.avg.com/support_ask
Thank you for your understanding.