I'm here to help you access your QuickBooks successfully, @lanab.
To access your QuickBooks successfully, make sure that you've updated the correct billing profile in the Customer Account Management Portal Site (CAMPS). To access CAMPS, log in to the Manage your QuickBooks web page and select the QuickBooks Desktop (QBDT) product tile.
If the same thing happens after updating the information from there, I suggest checking this with our live support to check and investigate this further for you.
To learn more about updating billing information, you can check these articles: