Patch Tuesday
The latest Patch Tuesday coverage — news, analysis, and updates from the WindowsNews.AI desk.
KB5079473 locks users out of Windows 11, breaks dual-boot via Secure Boot
Microsoft's March 2026 Patch Tuesday update KB5079473 for Windows 11 has triggered widespread reports of sign-in failures while simultaneously implementing significant Secure Boot changes that affect...
Windows 11 April 2026 Update: Smart App Control, Narrator Enhancements, and Major UI Refinements
Microsoft's April 2026 security update for Windows 11 is shaping up to be more than a routine Patch Tuesday release. Landing on April 14, 2026 for Windows 11 version 24H2 and 25H2, the update appears...
Windows Update Reveals Hidden Hardware Failures: Reboot Triggers Expose Dying PCs
Microsoft's Patch Tuesday updates have become a monthly source of both security fixes and user frustration. The familiar complaint "Windows broke my PC" echoes across forums and social media after...
KB5079473 March 2026 Windows 11 Update: Sysmon Integration, Emoji 16, and Sign-In Problems
Microsoft's March 2026 Patch Tuesday update KB5079473 for Windows 11 represents a significant shift in security strategy with the integration of Sysmon directly into the operating system. This...
March 2026 Windows 11 Update Broke Microsoft Sign-Ins, KB5085516 Patch Fixes It
Microsoft's March 2026 Windows 11 servicing cycle has turned into a cautionary tale about how tightly modern PCs depend on cloud identity, and how quickly a broken login path can feel like a platform...
KB5079473 Windows 11 Update Causes Identity Failures, Undermining Azure Trust
Microsoft's KB5079473 update for Windows 11 has triggered widespread identity authentication failures that extend far beyond individual desktops. The October 2024 security update, which addresses...
Windows 11 March 2026 Patch Tuesday Update KB5085516 Breaks Microsoft Account Sign-ins, Requires Emergency Fix
Microsoft's March 2026 Patch Tuesday update for Windows 11 has triggered widespread authentication failures, leaving users unable to sign into Microsoft accounts across multiple applications and...
Windows 11 KB5079473 Update Causes Microsoft Account Sign-In Failures: Technical Analysis and Community Response
Microsoft's March 10, 2026 cumulative update KB5079473 for Windows 11 has triggered widespread authentication failures across Microsoft account sign-ins within integrated applications. The update,...
Windows 11 Emergency Patch Resolves Microsoft Account Sign-In Lockout
Microsoft released emergency out-of-band update KB5085516 on February 15, 2024, to address critical authentication failures affecting Windows 11 users attempting to sign in with Microsoft accounts....
Windows 11 KB5079473 Patch Tuesday Update Causes Widespread Sign-in Failures
Microsoft's March 2026 Patch Tuesday update KB5079473 for Windows 11 has triggered widespread sign-in failures for users attempting to access their Microsoft accounts. The update, which arrived on...
Microsoft Confirms KB5079473 Update Blocks Microsoft Account Logins in Teams, OneDrive, Edge
Microsoft has officially confirmed that security update KB5079473 contains a critical bug that breaks Microsoft account sign-ins across multiple applications in Windows 11 versions 24H2 and 25H2. The...
KB5037771 breaks OneDrive, Office, and Copilot logins in Windows 11.
Microsoft's Windows 11 update KB5037771, released in late May 2024, has triggered widespread authentication failures across Microsoft's own ecosystem. Users report being unable to sign into their...