https://www.quicken.com/support#contact-support
Thank you for taking the time to share the details of your experience and feedback with the Community, although I apologize that you have not yet received a response.
We'll need a bit more information to be able to assist.
Please take a moment to navigate to Help > About Quicken and provide the release that you are running.
When you attempt to update using One Step Update, what happens? Do you receive any error message for Capital One?
The more information you can provide regarding this issue will help the Community to better understand and assist.
Thank you,
-Quicken Tyka
When contacting support, be sure to let me know how long you have been receiving this error.
Let us know how it goes!