When I switch to my Microsoft account or try to log in or sign in from my Edge profile or the Office application, a grey box(dialog box) appears for a moment and then disappears immediately.


Edge Login Microsoft Account Office Sign-In Windows

This problem occurs, for example, if you were using Windows 7 Professional and unintentionally upgraded to Windows 10 Home using the free upgrade program like https://aka.ms/win10en.

What is going on behind the scenes of this problem is logged in the event viewer.

Event Viewer -> Windows Log -> Application
The log is at Level = Information, Source = Windows Error Reporting, Event ID = 1001.

I don't understand why the log level is Information instead of Error.

The normal behavior is to load "C:\Windows\SystemApps\Microsoft.Windows.CloudExperienceHost_cw5n1h2txyewy".

However, broken environment try to load "C:\Windows\SystemApps\Microsoft.Windows.CloudExperienceHost_10.0.19041.1266_neutral_neutral_cw5n1h2txyewy", and getting an error.

A simple way to make it work is to execute the following command with administrative privileges.

mklink /D C:\Windows\SystemApps\Microsoft.Windows.CloudExperienceHost_cw5n1h2txyewy C:\Windows\SystemApps\Microsoft.Windows.CloudExperienceHost_10.0.19041.1266_neutral_neutral_cw5n1h2txyewy

This problem cannot be fixed by performing an in-place upgrade, so if you don't like the above remedies, a clean install is the only way to go.




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