Windows 10 2004 bug that broke Chrome has a fix now

After upgrading to Windows 10 May 2020 Update, version 2004, Chrome users reported that they’re noticing Sync pause and cookies got deleted after every restart. Then Google, with help of Microsoft tried to figure out the root cause, but they were not able to. A user in the bug thread able to successfully found the cause and revealed a fix. The fix has been confirmed by others in the thread as working. Here is how you can apply the same to Windows 10 2004 if your Chrome is affected.

According to the user, a scheduled task called “S4U” is causing the issue. We’ll cover the details about S4U and how to find and disable all its running instances in Task Scheduler on Windows 10 below.

What is the S4U Scheduled task?

Task_Logon_S4U “takes advantage of service for user (s4U) logon to run the task on behalf of the specified user, but without having to store password. Since the Task Scheduler runs within the local system account, it can create a s4U logon session and receive a token that can not only be used for identification, but also for impersonation on the local computer. Normally, a s4U token is only good for identification”.

Check if Windows 10 2004 is running S4U scheduled tasks

1. Click on Start
2. Type Powershell
3. Right-click on the best match and select “Run as administrator”
4. Paste and Press enter to run the following
5. Get-ScheduledTask | foreach { If (([xml](Export-ScheduledTask -TaskName $_.TaskName -TaskPath $_.TaskPath)).GetElementsByTagName("LogonType").'#text' -eq "S4U") { $_.TaskName } }
6. Powershell displays the scheduled tasks.

Disable S4U Scheduled tasks

1. Click on Start
2. Search for Task scheduler and open it
3. Find out and disable all tasks listed in Powershell.

Some users in the thread confirmed and said the fix has worked. Microsoft Edge developer Ericlaw, said they’re looking into the solution.

Microsoft in the feedback hub related to the issue said it is digging into the feedback.

“After upgrading to Windows 10 version 2004, Windows is no longer remembering my credentials/passwords in apps across the System (including the browser) and continually prompting me to sign in again” Report on the Feedback Hub states.

If you’re affected, try the above steps and see if that solves the issue with logins and Sync issue of Chrome on Windows 10 May 2020 Update.

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