"POS PURCH - GOOGLE *AVG UK 5968..."; bogus charge of $11.99...?

"POS PURCH - GOOGLE *AVG UK 5968 Mountain View" bank ledger entry shows up AFTER the account was closed out, well after we'd changed our place of residence. Apparently this issue is somewhat common with your subscribers; who can I connect with, to dispute this charge?

Hi Daniel,
We apologize for the inconvenience.
We request you to contact our mobile team for this concern and they will help you.
Mobile link: https://support.avg.com/support_contact_form?l=en&retUrl=support_Android_AVG_Antivirus
Thank you.

Hi Daniel,
We apologize for the inconvenience.
We request you to contact our mobile team for this concern and they will help you.
Mobile link: https://support.avg.com/support_contact_form?l=en&retUrl=support_Android_AVG_Antivirus
Thank you.