can't access USBank for weeks

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 a download log file on your computer, to determine the nature of the problem and to figure out how to fix it.

Quicken Support:

• To contact Quicken Support, please use this link only:
  https://www.quicken.com/support#contact-support  and select Chat or Phone support.
  Phone support is only available during posted business hours. The phone number can be found at this website.
• If you are eligible for Premium Support (purchased separately or included as part of your subscription to Quicken 2018+ Premier or HB&R) call the number that can be found at the top of your My Account page at https://www.quicken.com/my-account  (US) or https://www.quicken.com/canada/my-account (Canada) next to "Quicken Premium Support"  when you log in with your Quicken ID.
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• Unlike other so-called "Quicken support providers", the real Quicken Support is free for all currently supported versions.