If you're getting the same error, it is best to get in touch with our QuickBooks Technical Team for further assistance. There they have advanced tools to help you log in to your account without any issues. To contact us, follow the steps below:
Go to your QuickBooks Home page, then click the Help menu at the top.
Choose QuickBooks Desktop Help from the drop-down.
Hit the Contact us icon.
I'd be glad to provide further assistance should you have any questions. Best regards!