My Quicken 2009 password won't work (edited for clarity)

Question

I have been using Quicken 2009 with no problems. Now it won't recognize my password, which has not been changed. The only thing that has changed is my Windows password. How can I fix this, as it has all of my financials on it?

(edited for readability)

Sherlock · Accepted Answer

If you haven't already, I suggest you attempt to access a recent data file set backup.  Otherwise, you may want to review: https://www.quicken.com/support/quicken-assisted-password-removal-service