you for reaching out to the Community regarding your issue, although I am sorry
to hear that you are experiencing issues with your vault password. This only started on the most recent patch correct? A Mondo patch could be used to see if we might be able to correct the issue you're having. We can take a look I'll leave the steps down below on how to do so.
Update and Mondo Patch: Subscription Release of Quicken for Windows
you get a chance to try these steps, please let us know what you find. From there we'll better understand our next option.
It looks like you're new here. If you want to get involved, click one of these buttons!