Microsoft pravi, da lahko napaka v posodobitvi sistema Windows prepreči zaustavitev sistema – kaj je prizadeto in kako jo rešiti

Microsoft je razširil smernice glede napake pri izklopu sistema Windows, ki jo sprožijo posodobitve iz januarja 2026, in potrdil, da vpliva na več sistemov, kot je bilo sprva poročano. Po podatkih podjetja BleepingComputer lahko težava povzroči, da se nekatere naprave namesto izklopa ali preklopa v stanje mirovanja znova zaženejo, ko so omogočene določene varnostne konfiguracije.

Za večino uporabnikov je simptom videti takole: »Moj računalnik se ne izklopi.« Za IT-ekipe je pravi problem združljivost med varnostnimi funkcijami, ki se zanašajo na virtualizacijo, in potjo posodabljanja.

Kaj se dogaja na prizadetih strojih

BleepingComputer poroča, da se po namestitvi določenih posodobitev nekateri računalniki z omogočenim varnim zagonom in navideznim varnim načinom (VSM) ne morejo izklopiti ali preklopiti v stanje mirovanja; namesto tega se sistem znova zažene.

To ni samo nadležno. Lahko:

  • Okna za krpanje in vzdrževanje
  • Zmeda pri politikah upravljanja porabe energije
  • Povečana obraba (nepričakovani ponovni zagoni)
  • Pustite sisteme v nepričakovanih stanjih za poteke dela šifriranja in skladnosti

Katere različice in posodobitve sistema Windows so vključene

Na BleepingComputer:

  • Sistemi Windows 11 23H2 z nameščeno posodobitvijo KB5073455 (in omogočenim varnim zagonom System Guard) so bili prepoznani kot prizadeti.
  • Microsoft je kmalu zatem izdal posodobitve zunaj pasu (OOB), da bi obravnaval ta poseben primer.
  • Microsoft je kasneje posodobil svojo nadzorno ploščo, da bi potrdil podobno delovanje v sistemu Windows 10 22H2 in nekaterih različicah sistema Windows 10 Enterprise LTSC, ko je VSM omogočen po namestitvi posodobitev, vključno s KB5073724 in KB5078131.

Kaj je VSM in zakaj je v zgodbi

VSM (virtualni varni način) uporablja virtualizacijo strojne opreme za ustvarjanje izoliranega območja »varnega jedra«, ki ščiti občutljiva sredstva, kot so:

  • Poverilnice
  • Šifrirni ključi
  • Varnostni žetoni

Podpira funkcije, kot sta Credential Guard in Hypervisor-Protected Code Integrity.

Ker VSM spreminja način interakcije operacijskega sistema z nizkonivojskimi komponentami (zagon, izolacija pomnilnika, hipervizor), se lahko napake v poti posodobitve pojavijo posebej v računalnikih z omogočenimi temi zaščitami.

Rešitev, ki jo priporoča Microsoft

BleepingComputer poroča, da je Microsoft prizadetim strankam svetoval, naj sistem ročno izklopijo z uporabo:

  • izklop /s /t 0

To vsili neposredno pot ukaza za zaustavitev in lahko pomaga, dokler ni na voljo popravek s prihodnjo posodobitvijo.

Za organizacije je mogoče to rešitev napisati v skriptu ali jo izvesti prek orodij za upravljanje, vendar je še vedno le obliž.

Kaj bi morale IT ekipe storiti zdaj

  1. Preverite, katere flote imajo omogočen Secure Launch ali VSM(te so lahko omejene na določene modele ali slike podjetij).
  2. Potrdite namestitev posodobitev baze znanjain se ujema z Microsoftovimi opombami o stanju izdaje.
  3. Uvedite posodobitve OOB, kjer je to primernoin preverite delovanje ob izklopu/mirovanju.
  4. Sporočanje navodil uporabnikom(vključno z rešitvijo ukazne vrstice) za zmanjšanje šuma službe za pomoč uporabnikom.

Bistvo

Napaka pri zaustavitvi sistema Windows je opomnik, da lahko močnejše varnostne funkcije povzročijo bolj zapletene interakcije s posodobitvami. Če vaše naprave uporabljajo Secure Launch ali VSM, natančno spremljajte Microsoftova opozorila o stanju izdaje in uporabljajte rešitev z ukazom za zaustavitev, dokler ni na voljo trajna rešitev.


Viri

Document Title
Microsoft says a Windows update bug can prevent shutdown—what’s affected and the workaround
Microsoft confirmed a January update bug that can cause affected Windows 10/11 PCs to restart instead of shutting down or hibernating when certain security features are enabled. Here’s what’s impacted, why VSM matters, and what to do.
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Microsoft says a Windows update bug can prevent shutdown—what’s affected and the workaround
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Microsoft has expanded guidance on a Windows shutdown bug triggered by January 2026 updates, confirming it affects more systems than first reported. According to BleepingComputer, the issue can cause some devices to restart instead of shutting down or entering hibernation when specific security configurations are enabled.
For most users, the symptom looks like “my PC won’t shut down.” For IT teams, the real issue is compatibility between security features that rely on virtualization and the update path.
What’s happening on affected machines
BleepingComputer reports that after installing certain updates, some Secure Launch-capable PCs with Virtual Secure Mode (VSM) enabled are unable to shut down or hibernate; instead, the system restarts.
This isn’t just annoying. It can:
Break patching and maintenance windows
Confuse power-management policies
Increase wear (unexpected reboots)
Leave systems in unexpected states for encryption and compliance workflows
Which Windows versions and updates are involved
Per BleepingComputer:
Windows 11 23H2 systems with KB5073455 installed (and System Guard Secure Launch enabled) were identified as affected.
Microsoft issued out-of-band (OOB) updates shortly after to address that specific case.
Microsoft later updated its dashboard to confirm similar behavior on Windows 10 22H2 and certain Windows 10 Enterprise LTSC versions when VSM is enabled after installing updates including KB5073724 and KB5078131.
What is VSM and why it’s in the story
VSM (Virtual Secure Mode) uses hardware virtualization to create an isolated “secure kernel” region, protecting sensitive assets like:
Credentials
Encryption keys
Security tokens
It underpins features such as Credential Guard and Hypervisor-Protected Code Integrity.
Because VSM changes how the OS interacts with low-level components (boot, memory isolation, hypervisor), bugs in the update path can show up specifically on machines with these protections enabled.
The workaround Microsoft recommends
BleepingComputer reports that Microsoft advised affected customers to manually shut down using:
shutdown /s /t 0
This forces a direct shutdown command path and can help until a fix is delivered via a future update.
For organizations, that workaround can be scripted or pushed via management tools, but it’s still a band-aid.
What IT teams should do now
Check which fleets have Secure Launch or VSM enabled
(these may be limited to certain models or enterprise images).
Confirm update KBs installed
and match against Microsoft’s release-health notes.
Deploy OOB updates where applicable
and validate shutdown/hibernate behavior.
Communicate user guidance
(including the command-line workaround) to reduce helpdesk noise.
Bottom line
The Windows shutdown bug is a reminder that stronger security features can introduce more complex interactions with updates. If your devices use Secure Launch or VSM, track Microsoft’s release-health advisories closely—and use the shutdown command workaround until the permanent fix ships.
Sources
https://www.bleepingcomputer.com/news/microsoft/microsoft-january-update-shutdown-bug-affects-more-windows-pcs/
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Microsoft confirmed a January update bug that can cause affected Windows 10/11 PCs to restart instead of shutting down or hibernating when certain security features are enabled. Here’s what’s impacted, why VSM matters, and what to do.
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