It sounds like this current rollout has caused some difficulties for some users of the Chrome browser. Windows 10 May 2020 Update is now causing problems for Google Chrome users

Windows 10 May 2020 Update is causing more problems, this time for those using the popular Chrome browser, who are being logged out of their account every time they reboot their PC – and this is reportedly happening with other software too, like Battle.net.

As Windows Latest spotted, there are multiple reports of this bug on Google’s own support forum (linked here: 1, 2, 3) and on Reddit, with anecdotal indications that this gremlin not only affects the Chrome browser, but also Battle.net, and possibly Edge.

May 2020 Update is blocked by this security feature

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So it seems that this is an issue with Windows 10 and the latest upgrade, rather than with Chrome. Browser cookies are apparently being deleted randomly, and users are being logged out of their account(s), and forced to log back in repeatedly.

The rest is at the link. I don't always include the promotional links tucked into articles, but in this instance some of them might be helpful. They're the bullet items.