Update creditcard details

Hello Jerry,

We're happy to help.
We request you click on the link below to reach our AVG billing team via live chat or call support to help you with this.
https://support.avg.com/support_sales?l=en
Thank you in advance.

Goodmorning, I want to update my credit card details but I can't. It says "it's not possible to update your credit/debit card from your account". 

Hello Jerry,

We're happy to help.
We request you click on the link below to reach our AVG billing team via live chat or call support to help you with this.
https://support.avg.com/support_sales?l=en
Thank you in advance.