I am attempting to re-authenticate my Capital One connection. I get to the login popup but the main page shows "We couldn't complete your transaction" Error 571?

I understand the challenges you’re experiencing with the ongoing Error 571 while trying to re-authenticate your Capital One connection, Ian70. 

Since the Community is a public space, I suggest you reconnect with our Live Support Team, as this issue requires specialized expertise and tools for a thorough review in a secure environment. Please provide your existing case number and share your current situation with them, as this will enable them to assist you more efficiently.

Here's how:

1. Sign in to your QuickBooks Online company.
2. Click the Help icon, then proceed to the Search tab.
3. Utilize the search field or open an article.
4. Select Contact Us at the bottom of the Help panel.
5. Choose Have us call you or Chat.

You can check our support hours through this article: Get help with QuickBooks products and services.

I appreciate your cooperation and understanding. Our team will work diligently to resolve this matter as soon as possible. Please leave us a response if you have any other questions or concerns.