Can's sign into any Microsoft app - sign-in window crashes

[Microsoft Windows]

I am an IT Systems Engineer and can usually figure things out, but this has had me stumped for several months now. I really don't want to have to reinstall or reset Windows. Issue descriptionI cannot sign into ANY Microsoft app on my Windows 11 PC.This includes OneDrive, Xbox, Photos, Feedback Hub, Microsoft Defender, Microsoft Office (Word, Excel, PowerPoint, Outlook, etc.), New Outlook, the Settings App (under Accounts -> Email & accounts), nothing at allFor Office apps, the sign-in Window opens, I type my email address and click next and then the window flashes for a second, then clo

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