kb5073455

Microsoft has confirmed that its January 13, 2026 cumulative update for Windows 11 (KB5073455) introduced a configuration‑dependent regression that can leave some systems restarting when users expect them to shut down or hibernate, and the company’s interim guidance is an explicit command‑line...

The January Patch Tuesday cumulative rollup for Windows 11 has produced a configuration‑dependent regression that, in some environments, prevents affected machines from powering off or entering hibernation — instead they immediately restart. The regression is tied to the January 13, 2026...

Microsoft’s January cumulative updates for Windows 11 landed with a mixed bag: important security and reliability fixes, but also a narrowly scoped regression that can leave some systems restarting when users expect them to shut down — and a separate Insider-channel update that quietly adds...

Microsoft has warned that a January security rollup can leave some Windows 11 machines unable to shut down or enter hibernation — instead the devices restart — and it has published an emergency, manual shutdown workaround while engineers prepare a permanent fix. rosoft released its January 2026...

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...

Microsoft's Windows update cycle opened the year with a dense mix of Insider previews, one high‑profile stability regression, a security‑heavy Patch Tuesday and a cautious but persistent conversation about when — or whether — a successor called “Windows 12” will actually arrive. Background /...

Microsoft has confirmed that a recent January cumulative update for Windows 11 — KB5073455, released on January 13, 2026 — introduced a regression that causes some Windows 11, version 23H2 systems with System Guard Secure Launch enabled to restart instead of shutting down or entering...

A newly disclosed Windows 11 regression tied to Microsoft’s January 13, 2026 cumulative updates can prevent certain PCs from powering off or entering hibernation — affected machines instead restart — and Microsoft has published a narrow workaround while engineering prepares a permanent fix...

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 January 13, 2026 cumulative update for Windows 11 (KB5073455, OS Build 22631.6491) closes several security gaps, removes legacy modem drivers with known high-severity vulnerabilities, and introduces a controlled, phased mechanism to deliver replacement Secure Boot certificates ahead...