Hello there, @Paulaf.
I'm here to help guide you to the right support who will be able to check why you've got an email notification trying to charge your credit card.
As of now, I recommend contacting our Support Team to check an investigate this further securely. For the support's contact information, you may check it here: Contact the QuickBooks Desktop Customer Support Team.
Let me know if you have any other payroll or QuickBooks questions, I'll be always here to help you. Have a wonderful day ahead!