patch tuesday

Microsofft’s January patch cycle for Windows produced an unexpectedly disruptive outcome: updates released on January 13, 2026 introduced at least two distinct regressions that left some Windows 11 systems unable to shut down or hibernate and caused Remote Desktop/Cloud PC sign‑in failures...

Microsoft’s January Patch Tuesday hiccup that left some Windows 11 PCs refusing to power off has laid bare a deeper tension: the company’s aggressive pivot to AI-first features is colliding with the chores of patching, firmware hardening, and the bedrock expectation that a computer will actually...

A routine January Patch Tuesday rollup (KB5074109) accidentally left parts of Microsoft’s classic Outlook experience unstable for a measurable number of users, triggering freezes, lingering OUTLOOK.EXE processes, lost Sent Items and a rapid sequence of follow‑up fixes and mitigations from...

Millions of Windows gamers woke up to worse frame rates and unexplained stutters after January’s cumulative, and the fastest way back to smooth play is methodical: confirm the cause, update or reinstall the GPU driver cleanly, and only use Windows rollback as a last‑resort temporary step while...

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 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 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's January Patch Tuesday turned into an early crisis for Windows 11: a cumulative update shipped on January 13, 2026 (KB5074109 / KB5073455 family) introduced a cluster of regressions that forced Microsoft to push emergency out‑of‑band (OOB) updates four days later, while a separate but...

Microsoft’s January Patch Tuesday produced a narrow but painful regression: after installing the January 13, 2026 cumulative update (KB5073455) some Windows 11 systems configured with System Guard Secure Launch refused to power off or enter hibernation and instead restarted — a problem Microsoft...

A routine Patch Tuesday release on January 13, 2026 has left a significant portion of classic Outlook users scrambling: the Windows 11 cumulative update KB5074109 and a separate Outlook Current Channel build have each introduced regressions that render parts of the traditional Outlook experience...

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’s January Patch Tuesday produced more than the usual mix of security fixes: for a narrow but important slice of Windows 11 deployments the update briefly prevented systems from shutting down or entering hibernation, triggered remote-desktop authentication failures for some clients, and...

Microsoft's January update cycle for Windows 11 hit a rough patch this month: a Patch Tuesday cumulative update released on January 13, 2026 introduced a configuration‑dependent regression that left some PCs restarting when users chose Shut down or attempted Hibernate, and it also contributed to...

Microsoft has issued an urgent warning after January’s cumulative updates caused a narrow but disruptive regression that can leave some Windows 11 systems restarting when users expect a shutdown or failing to enter hibernation — a problem Microsoft patched with out‑of‑band fixes days later, but...

Microsoft's January Patch Tuesday security rollup triggered a cascade of unexpected failures that prompted an unusually rapid series of emergency fixes from Microsoft between January 13 and January 17, 2026, leaving millions of users and IT teams scrambling to restore remote access, shutdown...

Microsoft’s January servicing cycle stumbled into a high‑profile reliability problem: the Patch Tuesday cumulative rolled out on January 13 introduced a regression that left some Windows 11 machines unable to shut down or hibernate and broke Remote Desktop sign‑in flows. Microsoft acknowledged...

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 Patch Tuesday has generated a sharply focused but consequential regression: the cumulative update for Windows 11, version 23H2 (KB5073455, OS Build 22631.6491), can cause some Secure Launch–enabled systems to restart instead of shutting down or entering hibernation, and...

Microsoft’s January Patch Tuesday has produced a narrowly scoped but disruptive regression: after installing the January 13, 2026 cumulative update for Windows 11 (published as KB5073455), some devices that have System Guard Secure Launch enabled may restart instead of shutting down or entering...

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...