If you haven't done so already, please do the following actions:
Validate and Supervalidate instructions
First save a backup file prior to performing these steps
Validate:
Super Validate:
If you haven't done so already, I'd say it's time to call Quicken Support on the phone and request help. Let them do a screen share session with you to review the situation on your computer, to determine the nature of the problem and to figure out how to fix it.
Quicken Support: