We sincerely apologize for any inconvenience this may have caused you, Roark. We greatly value your loyalty and long-standing relationship with QuickBooks.

I'd suggest contacting our support team so that they can conduct a thorough investigation into the issue. Our support representatives have the necessary tools to determine the root cause of the problem. Since you can't sign in to your account, you can reach us by calling the phone number provided at the bottom of this page: QuickBooks Online Support.

Moreover, you can check out this article to learn how to edit your account credentials after logging in to help protect your data from unauthorized access and potential cyber threats: Update or change your Intuit Account sign-in information.

Please keep us posted if you have other questions about login issues or any QuickBooks-related concerns. Your business means a lot to us. Stay safe.