The URL seen in the Add Account screen or Online Center is not necessarily the one used to download transactions. The one seen in these screens will typically direct users to the bank's customer service page and is known as the Homepage URL.
If clicking on the Homepage URL takes you to the wrong website or brings up a Page Not Found message, this could be because an incorrect URL is listed.
If Quicken is displaying an incorrect Homepage URL, the financial institution will need to report this URL change to the Quicken financial services provider through their account manager.
This is the only method, as the financial institution can confirm that the URL in Quicken is truly incorrect and not just experiencing temporary difficulties. Quicken Support cannot make this change.
I hope this helps to clarify!
I have the same problem since last update. LLBean changed from Visa to Mastercard several years ago, and now is a citibank card.