In late March, Microsoft released emergency patch KB5085516, which was meant to fix broken Microsoft app logins.

New out-of-band Windows 11 update fixes March's installation errors - how to get it ...

Microsoft released another Windows 11 emergency update yesterday to address an issue preventing users from installing the ...

Microsoft acknowledged problems logging into private Microsoft accounts overnight on Friday and attributed them to the Windows security updates from the March Patchday. The company released ...