Unable to complete Subscription Payment

Hello Alex,
Thank you for contacting AVG Community.
We understand that you are unable to renew your AVG subscription.
We're sorry to hear that you're facing this trouble, we regret the inconvenience caused.
Could you please contact our AVG billing & sales team using this link: https://support.avg.com/support_sales_chat?l=en and they will check and help you.
Thank you.

A  "there is a glitch" message coming up each and every time I attempt to renew

Hello Alex,
Thank you for contacting AVG Community.
We understand that you are unable to renew your AVG subscription.
We're sorry to hear that you're facing this trouble, we regret the inconvenience caused.
Could you please contact our AVG billing & sales team using this link: https://support.avg.com/support_sales_chat?l=en and they will check and help you.
Thank you.