you for reaching out to the Community regarding your issue, although I am sorry
to hear that you are experiencing issues with your opening your accounts. I'm wondering here since you've already tried them mondo patch if we may need to reinstall Quicken to see if we might be able to get the accounts open. We'll want to perform a QcleanUI which clears Quicken entirely from the computer (Your backup and saves are not included). I'll leave steps on how to do so down below.
Once you've uninstalled Quicken you'll want to reinstall it using the link down below.
you get a chance to try these steps, please let us know what you find. From there we'll better understand our next