Thank you for reaching out to the Community and telling us about your issue, though I apologize that you are experiencing this.
I have a few options I would like to try. However, first I just want to let you that internally your accounts are showing as having "Invalid Credentials" errors. So before trying anything else, the first thing you should do is to verify that you are using the correct login information. Once you have verified that, I think we should open a new Quicken file, just so we can see if we get the same issue there. This will help me to determine what more may need to be done in your original data file.
To open a new file you will click on "File" in the top left of your computer screen. From the menu options, please select "New".
This will open another box that will give you several different options. You can select "Start from scratch" and then click, "Next" in the bottom right corner of this box.
You will need to click "Next" again on the following page, and then your new file should open. Once in the new file, you will use the plus sign (+) in the top left to add in the Wells Fargo accounts. Choose the account type. As you can see, I have chosen "Checking" in the picture below.
You then choose the financial institution (Wells Fargo). You can choose the connection method (Quicken connect/Direct Connect), as you did before. If one doesn't work, try the other. For Direct Connect, you will need to use this link for the special Wells Fargo login. It will give you ten minutes to put your credentials into Quicken. If you run out of time, Just use the link again.
I hope this helps! Looking forward to hearing how it turns out!