Update payment details

Hello Ian,
Thank you for reaching AVG Support Community.
We regret the inconvenience caused.
We request you to contact our AVG Sales team using the below link, they will certainly help you to update the payment details and renew your AVG subscription with the best offer price and deals.
https://support.avg.com/support_sales?l=en
 Thank you for your understanding.

Why doesn't system allow me to update payment details.  Keeps saying there has been a glitch, try again and again and again and again…

Hello Ian,
Thank you for reaching AVG Support Community.
We regret the inconvenience caused.
We request you to contact our AVG Sales team using the below link, they will certainly help you to update the payment details and renew your AVG subscription with the best offer price and deals.
https://support.avg.com/support_sales?l=en
 Thank you for your understanding.