Windows 11 Patch Triggers Sign-In Failures Across Microsoft Apps

A Windows 11 security update triggered Microsoft app sign-in failures, prompting an emergency patch and a manual workaround ...
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Windows 11 KB5085516 released after KB5079473 breaks Microsoft account sign-in in popular apps

Windows 11 KB5085516 is rolling out to address major issues affecting internet connectivity in some apps after the March 2026 ...