Hello @Guroose
Thank you for reaching out on the community and telling us about your issue. I do apologize for the issue you're having. It sounds like the accounts may not be connecting properly to the server. One thing we can attempt here if to resetup the accounts for download to see it that may help us with getting connectivity back up and running, I'll leave steps down below on how to do so.
First thing I'll recommend is to save a backup to revert back to just in case. You can find how to do so down below.
https://www.quicken.com/support/how-backup-or-restore-your-quicken-data
Next we'll try deactivating all of the accounts. You can do so by following the article listed down below.
https://www.quicken.com/support/deactivate-online-banking-services-quicken-account
Once all the accounts are deactivated go ahead and follow the article here on reconnecting the accounts.
https://help.quicken.com/pages/viewpage.action?pageId=3216277
Once you've done all of the steps see if you're able to get downloads back up and running. If not we'll see what we can try next.
Thanks,
Quicken Francisco