I was just trying to fix the very same problem you have, earlier today. The problems were revealed using the Developer tools, however this time the developer tools wasn't allowing me to insert Redirects. I am finding the same issue with my second and third gmails. My take on this problem is that Chrome expedites the process of creating a profile on New devices, by creating and Authorizing user0, which is really just an extended,but generic Version of your original ID. Rather than giving us a new certificate they just extended the original certificate, and attach all previous JavaScript to your new device. Down the road it definitely causes problems!! Now, when adding additional email addresses they will be under the exact same heading and you will not be able to separate them with a unique ID. I am not currently using a Windows computer but I am pretty sure that Windows would not allow this type of user extension. It seems to be an Android / Chromebook program that is creating these types of users. Definitely -Google One will Swipe your entire identity and put it into one. It's is so Bad because it makes your ID generic, and your identity wide open. I am not trained to do coding but I have played around with it. This site Paloalto might be the Right site to help us correct this problem. The Chrome Community reveals such little information they are not helpful. We need Access to people who can tell us Where and What Coding to INSERT into a Chromebooks to run them correctly.
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