I have downloaded both accounts for years without issues. My problem (R57.26, Windows 11 Home) seems to have begun when I changed my password on the website a little over a week ago, to something stronger. I received an error in Quicken, as expected, indicating that my credentials were incorrect. I supplied the new credentials and provided the necessary MFA code to Discover. That didn't work, and so I deactivated both accounts and tried to reactivate them.
Everything looked good at this point, and so I linked to the appropriate, existing accounts.
After a lengthy (a couple of minutes, at least) "updating" process, I received the message below, but again, no transactions.
I then tried to "update now" for one of the accounts and received the error message below. The "processing data" step took an unusually long time, by the way.
So that is my story. I've tried about every 48 hours for the past 7 days or so, most recently this morning.