out-of-band update

Microsoft moved quickly this week to ccontain a surprising reliability regression in Windows 11 after January’s Patch Tuesday cumulative updates left a subset of systems unable to shut down or hibernate and caused widespread Remote Desktop sign‑in failures — an emergency out‑of‑band (OOB)...

Microsoft released its January 13, 2026 security rollup for Windows 11 and within days administrators and users began reporting a troubling side effect: on a narrow but consequential set of machines the system would refuse to power off or enter hibernation, instead immediately restarting after a...

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...

A recent January servicing misstep left a narrow but important slice of Windows 11 systems restarting when users asked them to shut down or hibernate — a regression Microsoft has acknowledged and patched with an out‑of‑band update for Windows 11 version 23H2. Background / Overview The issue...

Microsoft moved quickly after January Patch Tuesday to roll out emergency fixes for two disruptive regressions that began appearing on January 13, 2026 — an out‑of‑band repair that restores proper shutdown/hibernate behavior on systems with System Guard Secure Launch enabled and a companion...

Microsoft moved off its usual Patch Tuesday schedule to push an emergency out‑of‑band update after its January 2026 security rollup left some Windows devices unable to shut down or accept remote logins, a disruption that affected Windows 11 installations with Secure Launch enabled and...

Microsoft’s first Windows 11 update of 2026 disrupted shutdown behavior on a narrow but important slice of devices and forced an out‑of‑band emergency fix hours later; the January 13 Patch Tuesday cumulative (notably KB5073455 for Windows 11 23H2) introduced a configuration‑dependent regression...

Microsoft pushed emergency, out‑of‑band (OOB) updates on January 17, 2026 to repair two high‑impact regressions introduced by the January 13 Patch Tuesday rollup: a Remote Desktop sign‑in/authentication failure that blocked many remote connections, and a configuration‑dependent power‑state...

Microsoft pushed an emergency out‑of‑band (OOB) Windows update on January 17, 2026 after its January 13 Patch Tuesday rollup introduced two disruptive regressions—one that caused certain Windows 11 machines to restart instead of shutting down or hibernating, and another that broke Remote...

Microsoft shipped an emergency out‑of‑band fix after its January 13, 2026 Windows 11 security update (KB5073455) caused some machines with Secure Launch enabled to fail to power off or enter hibernation—and also introduced credential prompt failures in certain Remote Desktop/Windows App...

Microsoft issued an unscheduled, out‑of‑band Windows update after January’s Patch Tuesday created two disruptive regressions—broken Remote Desktop authentication across multiple client and server lines, and a Secure Launch–linked shutdown/hibernate regression on Windows 11 23H2—forcing a rapid...

Microsoft has confirmed that a January 2026 cumulative update for Windows 11 can cause some enterprise-class machines to restart instead of shutting down or entering hibernation, and the behavior is narrowly tied to systems with System Guard Secure Launch enabled; Microsoft published an...

Microsoft has quietly pushed an emergency fix after a January 13, 2026 cumulative update for Windows 11 caused some systems to restart instead of shutting down or entering hibernation — a regression that hit a narrow but important class of devices and forced administrators to adopt emergency...

Microsoft has confirmed a narrow but disruptive regression in its January 13, 2026 cumulative update for Windows 11, version 23H2 (KB5073455): on devices where System Guard Secure Launch is enabled, choosing Shut down or attempting Hibernate can cause the machine to restart instead of powering...

Microsoft pushed emergency fixes the week after January’s Patch Tuesday to neutralize two high‑impact regressions that left some Windows 11 PCs either unable to shut down cleanly or unable to authenticate into Remote Desktop sessions, and it also acknowledged a separate Outlook Classic...

Microsoft released a series of targeted out‑of‑band (OOB) patches on January 17, 2026 to repair failures introduced by the January Patch Tuesday security rollup—most notably Remote Desktop sign‑in failures and a Secure Launch shutdown/hibernation regression on some Windows 11 devices. The fixes...

Microsoft has confirmed that its January 2026 Patch Tuesday updates for Windows 11 introduced multiple regressions and has already shipped targeted fixes to address the most disruptive problems, but mixed reports and unacknowledged reports mean administrators and power users must act carefully...

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...

A widely deployed January cumulative update for Windows 11 23H2 briefly broke the expected behavior of shutting down and hibernating on a narrowly defined set of machines, causing affected systems to reboot instead of powering off — Microsoft confirmed the regression, published an emergency...

Microsoft’s January Patch Tuesday produced a narrowly scoped but disruptive problem: after installing the January 13, 2026 cumulative update (KB5073455) some Windows 11 systems configured with System Guard Secure Launch restarted instead of shutting down or entering hibernation, forcing...