system guard secure launch

Microsoft’s January Windows rollup triggered a stubborn failure mode on a narrow slice of devices — systems configured with System Guard Secure Launch could refuse to shut down or reliably enter hibernation after the January cumulative update (KB5073455). Within days the company published...

Microsoft’s January update cycle took an unexpected detour this week when a Patch Tuesday release introduced a narrowly scoped but disruptive regression that left some Windows 11 systems unable to shut down or enter hibernation, forcing Microsoft to ship emergency out‑of‑band (OOB) updates on...

Microsoft released emergency out‑of‑band updates on January 17, 2026 — most notably KB5077744 and KB5077797 — to address critical post‑Patch‑Tuesday regressions that left many users unable to sign in to Remote Desktop services or in some cases unable to shut down cleanly. The packages are...

Microsoft’s January Windows 11 cumulative update left a narrow but disruptive footprint: on some devices running Windows 11, version 23H2 with System Guard Secure Launch enabled, the system may restart instead of powering off or entering hibernation — and Microsoft published an emergency...

Microsoft’s update cadence careened into emergency mode this winter: while Microsoft pushed urgent out‑of‑band security fixes for multiple actively exploited vulnerabilities affecting a broad range of Windows clients and servers, a separate January cumulative patch introduced a regression that...

Microsoft’s January Patch Tuesday brought a familiar trade‑off: a broad security rollup that closed dozens of vulnerabilities — and, for a narrowly defined set of systems, an unexpected regression that prevents shutdown and hibernation from completing as intended. The bug, tied to the Windows 11...

Microsoft’s January 13, 2026 cumulative update for Windows 11 (KB5073455) produced a configuration‑dependent regression that can leave Enterprise and IoT devices with System Guard Secure Launch enabled unable to power off or hibernate — instead the systems sometimes restart immediately after the...

Microsoft’s January security rollup has produced an awkward aftershock: for a narrow but important set of Windows 11 devices, the latest patch is preventing machines from shutting down or entering hibernation and instead forcing an immediate restart. Background The problem is tied to the January...

Microsoft’s update pipeline has tripped over itself again: a servicing change in January’s cumulative rollup left a narrow but meaningful set of Windows 11 machines restarting when users expected them to shut down or hibernate, while the long-running “Update and shut down” mismatch that plagued...

A patch released in January 2026 is causing some Windows 11 PCs to restart when users try to shut them down or put them to sleep, and Microsoft has published an emergency workaround while it works on a permanent fix. Background / Overview Microsoft shipped its January cumulative updates on...

Microsoft’s Windows Hello Faces a Glitch in the Latest Windows 11 Update Microsoft's latest Windows 11 update, KB5055523, rolled out on April 8, 2025, with the goal of enhancing system security, has instead stirred up user frustration by causing notable issues with Windows Hello, the biometric...