Windows 11 25H2 Known Issues: EVR HDCP Playback Block and WUSA Network Install

Microsoft has confirmed that Windows 11 version 25H2 is shipping with two narrow but consequential known issues — one that can block DRM‑protected playback in certain Blu‑ray/DVD and digital‑TV applications, and another that can disrupt manual .msu installations from network shares — and Microsoft has staged mitigations while engineering works toward permanent fixes.

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Background / Overview​

Windows 11 version 25H2 is being distributed as an enablement package on top of the 24H2 servicing branch, meaning the update flips on features already present in the codebase rather than replacing the entire OS image. That delivery model makes installation fast and low-friction for most users, but it also means any regressions carried in recent servicing updates can be inherited by 25H2. Microsoft published the 25H2 rollout on September 30, 2025, and simultaneously published a known‑issues list on its Windows Release Health page.
Microsoft’s published status frames these problems as mitigated in the short term while permanent engineering fixes are developed. The two issues most relevant to end users and IT professionals are:

• Protected playback failures: Certain Blu‑ray, DVD and digital TV apps that rely on legacy rendering paths (Enhanced Video Renderer) with HDCP enforcement or platform DRM for audio may show copyright errors, black screens, freezes, or repeated playback interruptions. This affects both Windows 11 24H2 and 25H2.
• WUSA (.msu) installation failures from network shares: Installing .msu packages with the Windows Update Standalone Installer from a network folder that contains multiple .msu files can fail with ERROR_BAD_PATHNAME. Microsoft recommends copying .msu files locally prior to installation and has deployed Known Issue Rollback (KIR) mitigations for many devices.

This article dissects the technical details, validates the timeline and fixes against Microsoft’s documentation and independent reporting, and offers practical guidance for home users, HTPC owners, and IT administrators preparing for a measured 25H2 deployment. Community reporting and forum analysis published alongside Microsoft statements corroborate the incident’s scope and the staged remediation.

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What Microsoft has officially confirmed​

The two confirmed problems, in Microsoft’s words​

Microsoft’s Release Health page lists the issues and their current mitigation status. The playback problem is described as affecting applications that use the Enhanced Video Renderer (EVR) with HDCP enforcement or that rely on platform DRM for audio; symptoms reported include copyright protection errors, freezing, black screens, and interrupted playback. Microsoft states the problem is partially resolved and that a targeted preview update has addressed many EVR/HDCP cases, while some audio‑DRM scenarios may still be affected.
For the WUSA/.msu problem Microsoft explains that the issue occurs when installing .msu files from a network share that contains more than one .msu file; it does not occur when a single .msu is present on the share or when the .msu is copied locally. Microsoft calls this a scenario most commonly exercised by enterprise administrators rather than home users and advises the local‑copy workaround or using KIR for mitigation.

The staged remediation (KB IDs and preview fixes)​

Microsoft has staged a Release Preview update (KB5065789, preview dated September 29, 2025) that explicitly lists a Media fix addressing playback of protected content in certain Blu‑ray, DVD and digital TV apps that use EVR/HDCP enforcement. That preview—and later cumulative updates that incorporate the preview’s changes—are the route Microsoft has chosen to restore playback for many affected applications. Microsoft’s KB page for KB5065789 documents the fix as part of the update notes.
For the WUSA/.msu problem Microsoft used Known Issue Rollback (KIR) and documented Group Policy downloads and KIR artifacts for managed fleets; the Release Health page explains how KIR mitigates the problem for many consumer and non‑managed business devices and provides a GPO/MSI package path for administrators.

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Technical breakdown: why EVR + HDCP playback can fail and what “fails closed” means​

How the protected playback chain works​

Protected playback for commercial content relies on a coordinated chain:

• The media application requests decryption and secure rendering.
• The OS DRM stack (PlayReady, AACS, platform DRM) ensures license conditions are met and creates a trusted surface.
• The renderer (in older apps, EVR) binds video frames to a secure Direct3D surface that the GPU and display path recognize as protected.
• The GPU driver and display endpoint complete an HDCP handshake so the frame can be presented to the monitor or a capture device without leaking into unprotected paths.

If any link in that chain fails — for example because driver behavior changed, the OS altered the initialization flow, or the secure surface cannot be allocated — the platform intentionally blocks playback rather than rendering a degraded or insecure frame. This defensible behavior is called “fail closed.” The result is playback failure with copyright/protection errors or black screens.

Why a servicing update can break a legacy path​

Servicing updates often include low‑level changes to kernel or DRM related APIs, driver interfacing, initialization ordering, or security hardenings. Because EVR is a legacy renderer still in active use by many Blu‑ray/DVD and tuner applications, small, security‑oriented changes to how the OS establishes protected surfaces or enforces HDCP can prevent older players or capture apps from establishing a trusted path. In this case Microsoft’s August preview (KB5064081) and the September cumulative (KB5065426) folded those servicing changes into broader channels, after which the community observed repeated playback failures. Microsoft documented the bug and staged the targeted preview fix KB5065789 to address the EVR/HDCP handshake regressions.

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Who is affected — scope and real‑world impact​

Not a streaming outage — a legacy‑path problem​

Modern streaming clients and most app‑managed DRM flows (web/Edge/Chrome players, UWP Media Foundation clients) generally use newer rendering pipelines and secure decoders; those were widely reported as not affected. The regression is therefore narrow in scope but high impact for the affected install base: Home Theater PC (HTPC) owners, Blu‑ray/DVD collectors who use Windows applications for playback, broadcast/tuner capture operators, kiosk/digital‑signage solutions that rely on protected content playback, and certain archival or education setups.

Enterprise footprint for the WUSA/.msu problem​

The WUSA/.msu issue predominantly impacts administrators who run .msu installers from network shares or scripted deployment workflows using WUSA. Microsoft explicitly notes this is not a common personal‑user scenario, but it can break scripted rollouts in small and large organizations. The immediate mitigation is simple — copy .msu files locally first — but organizations should apply KIR artifacts where provided and update deployment scripts to avoid remote WUSA installs until a permanent fix is in place.

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Timeline — how the regression surfaced and Microsoft’s response​

• August 29, 2025 — Microsoft released a non‑security preview update, KB5064081, to the 24H2 servicing branch. Community testers later associated early playback failures with this flight.
• September 9, 2025 — The September cumulative update KB5065426 folded the preview changes into mainstream servicing, widening the impacted population.
• Mid‑September 2025 — Microsoft added the protected‑playback regression to its Windows Release Health / known‑issues pages and began triage. Community reporting and vendor logs amplified the issue’s visibility.
• September 17–29, 2025 — Microsoft staged a targeted remediation to the Release Preview channel as KB5065789 (preview builds 26100.6718/6725 and 26200.6718/6725), which Microsoft says addresses EVR/HDCP protected playback for many impacted applications.
• September 30, 2025 — Microsoft published the Windows 11, version 25H2 known‑issues page and began the 25H2 enablement rollout, marking the issue as mitigated for many configurations while work continues on remaining audio‑DRM cases.

Community reproductions and forum posts tracked this same sequence and validated that the fix in the Release Preview restored playback for many affected players during pilot tests.

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Practical mitigations and deployment guidance​

Short‑term, immediate steps (for all users)​

• If you rely on Blu‑ray/DVD playback inside Windows apps or use broadcast/tuner capture tools, pause installing the 25H2 enablement package or the implicated servicing updates on content‑critical devices until the public fix is in your servicing channel. Test before you upgrade.
• Keep GPU and capture‑card drivers up to date from vendor pages (NVIDIA, AMD, Intel, and capture card OEMs). The protected rendering chain touches GPU drivers; vendor updates can be necessary even after Microsoft’s OS fix.
• If you must play protected content immediately, use a separate device (standalone Blu‑ray player or an unpatched machine) as a fallback. Do not assume a rolled‑out cumulative update will fix your case until you validate in your environment.

For administrators and IT pros (recommended actions)​

• Pilot 25H2 in a small ring that represents your legacy workflows (HTPCs, kiosks, tuner/capture machines, and any systems that install .msu from network shares).
• For .msu installs from network shares, change deployment scripts: copy .msu files to the local disk on the target machine and run WUSA from a local path. Alternatively, extract the .msu to a CAB and use DISM for local deployment.
• Use Known Issue Rollback (KIR) Group Policy artifacts where Microsoft has published them to quickly mitigate the WUSA issue on managed devices; consult the Release Health guidance for the specific MSI and GPO package names.
• Maintain a driver inventory and coordinate with GPU and capture‑card OEMs to validate the Release Preview remediation before broad rollout. Some driver combinations may still require vendor updates after Microsoft’s platform fix.

Workarounds for the two issues​

• Playback: There is no guaranteed universal workaround for all EVR/HDCP failures. The only reliable short‑term options are to (a) enroll representative devices in Microsoft’s Release Preview channel and validate KB5065789 for your players, (b) use alternate playback hardware, or (c) use modern streaming apps that do not rely on EVR. Microsoft characterizes KB5065789 as partially resolving EVR/HDCP failures while it continues work on audio DRM cases.
• WUSA/.msu: Copy the .msu file to a local folder on the target machine and run wusa.exe from there; do not double‑click an .msu on a share that contains multiple .msu files. Microsoft’s Release Health also advises that the issue is mitigated for most home devices via KIR.

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How to validate in your environment — a short checklist​

• Run winver or Settings → System → About and note your Windows build and version (24H2 vs 25H2 and OS build).
• If you use legacy players, perform a controlled test: before upgrading, preserve a system image or backup, update the test device to the target OS build, then attempt protected playback and capture scenarios you depend on. Record Event Viewer entries and player logs.
• For deployment scripts that use WUSA, test copying .msu files locally and automating local installs in a staging ring. If you require group‑level mitigations, prepare the KIR Group Policy MSI per Microsoft’s guidance.
• Validate GPU and capture‑card driver versions by comparing vendor release notes against Microsoft’s Release Preview notes; do not assume driver compatibility until vendor validation is confirmed.

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Strengths, limitations, and risk analysis​

Notable strengths in Microsoft’s approach​

• Microsoft published a transparent, public Release Health status page that identifies affected scenarios and recommended mitigations, helping admins plan. The company also used Known Issue Rollback (KIR) and targeted Release Preview fixes rather than a blanket global rollback, which reduces blast radius while engineering validates a permanent repair.
• The Release Preview KB (KB5065789) demonstrates a focused, surgical fix approach: address the EVR/HDCP handshake regressions while preserving other security hardenings.

Risks and limitations to expect​

• Long‑tail compatibility: Legacy APIs like EVR remain in active use; service‑level changes can still break small but critical workflows. Even after Microsoft’s fix arrives in the general channel, mismatched or older GPU/capture drivers may require vendor updates to fully restore playback.
• Perception and support load: Blocking playback of legitimately purchased content produces outsized frustration among hobbyists and operators of AV systems, leading to elevated support demand that can stress vendor and Microsoft channels.
• Incomplete resolution window: Microsoft describes the fix as partial for EVR/HDCP cases and explicitly notes that some DRM audio scenarios may still fail; treat any claims of broad resolution with cautious validation until your exact hardware and player combination is confirmed working.

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Practical verdict and deployment recommendations​

For most mainstream consumers who use browser‑ or app‑based streaming (Netflix, Prime Video, YouTube, etc.), the 25H2 enablement package is unlikely to introduce visible regression and can be adopted with standard precautions: keep backups, update drivers, and allow the phased rollout to reach your device.
For enthusiasts, HTPC owners, broadcast/tuner users, kiosk operators, and imaging teams who create or deploy .msu packages from network shares: adopt a conservative deployment posture.

• Delay broad 25H2 deployment on content‑critical devices until KB5065789 (or the subsequent cumulative containing the fix) is confirmed working for your exact player + GPU + capture configuration.
• For managed fleets that use WUSA installers from network shared folders, change deployment flows to copy installers locally first and prepare KIR Group Policy as a mitigation for devices that already encountered the ERROR_BAD_PATHNAME symptom.

IT administrators should maintain test rings that include niche workflows and devices still reliant on SMBv1 or NetBIOS fallbacks, because servicing regressions often surface first in these edge use cases. The safest path forward is pilot → validate → staged rollout.

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What to watch next​

• Monitor Microsoft’s Windows Release Health page for status changes to the EVR/HDCP and WUSA entries, and for announcements that the Release Preview remediation has been folded into a general‑channel cumulative.
• Watch GPU and capture‑card vendor advisories (NVIDIA, AMD, Intel, Blackmagic, Hauppauge, etc.) for driver validations stating compatibility with the KB5065789 fix and subsequent cumulative updates.
• If you manage a fleet, track Known Issue Rollback (KIR) configuration artifacts and safeguard IDs in Windows Update for Business reports so you can quickly activate mitigations where Microsoft has published them.

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Conclusion​

The Windows 11 version 25H2 rollout is a reminder of the tradeoffs intrinsic to modern servicing: small, fast enablement packages reduce install friction for the majority, but recent kernel/DRM hardening introduced a narrow regression that disproportionately affects legacy media playback chains and certain administrative workflows. Microsoft has acknowledged the issues, published mitigation steps, staged a targeted Release Preview repair (KB5065789) for the EVR/HDCP playback regression, and applied Known Issue Rollback for the WUSA/.msu installation problem — yet the fix is partial for some DRM audio scenarios and requires vendor driver coordination in certain environments.
The pragmatic course for hobbyists and administrators is straightforward: prioritize risk‑based testing, keep a fallback playback device or image available, update and validate vendor drivers, and delay broad 25H2 deployment on content‑critical systems until the remediation is confirmed against your exact hardware and software stack. For IT teams deploying updates via WUSA, copy .msu files locally or use DISM/WSUS channels and prepare the Known Issue Rollback GPO if required. Microsoft’s transparency and targeted remediation path reduce the blast radius of this regression, but the episode underlines that platform servicing will continue to demand careful pilot testing for legacy and niche workflows.

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Source: Faharas News Microsoft confirms bugs in Windows 11 version 25H2 affecting media playback and updates. - Faharas News

 

[ChatGPT]

Microsoft has acknowledged two narrow but consequential problems affecting Windows 11 devices running the new 25H2 enablement package: a protected‑playback regression that can block Blu‑ray, DVD and some digital‑TV applications that use legacy rendering paths, and a WUSA (.msu) installation bug that can cause updates installed from a network share to fail with ERROR_BAD_PATHNAME.

Background​

Windows 11, version 25H2 is being delivered primarily as an enablement package layered on top of the 24H2 servicing branch. That delivery model flips features that already exist in the codebase rather than replacing the entire OS image, which keeps installs small and fast but can carry forward servicing regressions introduced in earlier cumulative updates. Microsoft published the initial 25H2 rollout and associated known‑issues list alongside the release, and those pages are the authoritative starting point for what’s confirmed and how it’s being mitigated.
Both problems were traced to changes in the servicing stream earlier in 2025 and surfaced in the field during the September rollout. Microsoft has staged targeted mitigations — including a Release Preview remediation and Known Issue Rollback (KIR) artifacts — while engineering works on permanent fixes.

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Overview of the two confirmed issues​

1) Protected‑playback failures (EVR + HDCP / DRM)​

• What breaks: Some Blu‑ray, DVD and digital‑TV apps that rely on the legacy Enhanced Video Renderer (EVR) together with HDCP enforcement or the platform DRM audio path can fail to play protected content. Reported symptoms include copyright‑protection errors, black screens, freezing, or repeated interruptions.
• Scope: This affects applications that use older DirectShow/EVR rendering pathways; modern streaming services and UWP/browser DRM flows were widely reported as not affected because they use newer pipelines.
• Root cause signal: The problem appears when the protected‑rendering handshake between app → OS DRM stack → GPU driver → display cannot be established. When the platform tightens expectations in that chain, legacy software or out‑of‑date drivers can be denied a trusted protected surface and playback is designed to “fail closed” to protect content. Microsoft traced the regression back to preview and cumulative servicing updates shipped in August–September 2025.

2) WUSA (.msu) installers failing from network shares (ERROR_BAD_PATHNAME)​

• What breaks: Installing updates using the Windows Update Standalone Installer (WUSA) — either by double‑clicking a .msu file or invoking wusa.exe against a network share — can return ERROR_BAD_PATHNAME when the network share contains multiple .msu files in the same directory. The failure does not occur when the .msu is copied locally or when only a single .msu exists on the share.
• Scope: This is largely an enterprise/IT problem because WUSA is a manual/offline deployment tool typically used in managed or isolated environments rather than for consumer automatic updates. Still, small businesses and power users who deploy .msu packages from a network share are affected.
• UI quirk: After installing a .msu via WUSA and restarting, the Update History page in Settings may briefly continue to indicate that a restart is required; Microsoft says this is temporary and will self‑resolve after a short delay (typically around 15 minutes).

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Technical details and timeline​

Servicing chain and where this came from​

Multiple community traces and Microsoft’s Release Health notes link the EVR playback regressions to an August 29, 2025 preview (for example KB5064081) that was folded into subsequent cumulative updates (such as KB5065426 in early September). Microsoft staged a targeted remediation into the Release Preview channel (example package KB5065789) to address many EVR/HDCP cases while continuing to work on remaining scenarios.
The WUSA error appears tied to servicing changes made across May–September 2025 servicing updates; some reports indicate the behavior began appearing for devices updated since a May 28, 2025 baseline. Microsoft has rolled out Known Issue Rollback mitigations and published Group Policy artifacts for managed environments.

Why EVR matters (short primer)​

EVR is a legacy rendering path used by long‑lived desktop media players and many tuners/capture applications. Protected playback requires an end‑to‑end trusted path; if any component (driver, OS handshake, or app) fails to meet tightened checks, the platform blocks playback rather than risking content leakage. This conservative design is why content protection can cause abrupt, reproduction‑blocking failures when platform semantics change.

Why WUSA fails on multi‑file shares​

WUSA uses the Windows Update Agent to enumerate and apply .msu packages. The failure mode appears when the agent validates or resolves the path to the package while multiple .msu files are present; path resolution logic introduced or altered by recent servicing updates can misinterpret the share layout and refuse to install. The practical consequence is ERROR_BAD_PATHNAME for an otherwise valid update package when launched from the share, but the same package installs correctly if placed on local storage.

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Microsoft’s mitigations and recommended workarounds​

Microsoft has deployed staged mitigations aimed at minimizing customer impact while engineering completes permanent fixes.

• Known Issue Rollback (KIR): Microsoft has published KIR artifacts that automatically remediate many consumer and non‑managed business devices. For managed devices, Microsoft published a Group Policy artifact that IT admins can apply to expedite KIR deployment across fleets. The special Group Policy is exposed under Computer Configuration > Administrative Templates > [Group Policy name], and the downloadable KIR MSI for relevant servicing baselines is published by Microsoft as an enterprise artifact.
• Release Preview targeted remediation: For the playback regression Microsoft staged a targeted preview update (for example KB5065789) to the Release Preview channel that addresses many EVR/HDCP scenarios while broader validation completes.
• Immediate workarounds:
• For WUSA failures: copy the .msu files to the local disk and run the installer from there. Alternatively, extract the .msu and apply the contained CAB with DISM as a scripted workaround.
• For Update History UI mismatch: after installing a .msu file and rebooting, wait 15 minutes or more before checking Settings → Windows Update → Update history; the UI should update to reflect the completed installation.
• For EVR/DRM issues: if protected playback is mission‑critical, delay installing the implicated servicing updates or 25H2 on HTPCs, kiosks, or broadcast machines. Use alternative playback pipelines or hardware Blu‑ray players where possible until the Release Preview remediation is validated in your environment.

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Step‑by‑step guidance for IT administrators​

• Inventory and triage:
• Identify systems that use EVR‑based media applications, tuner/capture cards, legacy DRM audio pipelines, or manual .msu deployment workflows.
• Classify those systems as do not upgrade in the next ring until fixes are validated.
• Deploy KIR for managed devices:
• Download Microsoft’s Known Issue Rollback MSI artifact for the relevant baseline and install it in test rings.
• Configure the Microsoft‑published Group Policy (Computer Configuration > Administrative Templates > [Group Policy name]) to allow the KIR artifact to apply to managed endpoints.
• Change .msu deployment strategy:
• Stop running .msu installers directly from multi‑file network shares. Instead:
• Copy the .msu to the local system before running WUSA.
• Or extract the .msu, then use DISM to apply the CAB.
• Schedule deployments during maintenance windows and pilot on a small set of targets that mirror production hardware.
• For AV and HTPC fleets:
• Hold upgrades until the Release Preview remediation is validated.
• Coordinate with GPU and capture‑card vendors to obtain validated driver updates that confirm compatibility with the remediation.
• Monitor Release Health and vendor advisories:
• Watch Microsoft’s Release Health dashboard and vendor driver pages for updates, and confirm that the remediation reaches your servicing channel before broad rollout.

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Practical checks and quick fixes for power users​

• If a .msu you double‑clicked on a network share returned ERROR_BAD_PATHNAME, copy it to your desktop and run it again; the install should succeed locally.
• If playback of a Blu‑ray/DVD or a tuner app shows copyright errors or a black screen after recent updates, try:
• Reverting the last cumulative update in a test image (only if safe and feasible).
• Using an alternative playback app that uses modern Media Foundation renderers.
• Connecting a hardware player for immediate recovery if you need uninterrupted playback.
• If Update History shows a pending restart after you’ve already rebooted following a .msu install, wait at least 15 minutes before checking again; the Settings app is expected to update to the correct state.

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Critical analysis — strengths, tradeoffs, and risks​

Strengths in Microsoft’s response model​

• Staged remediation: Using Release Preview and KIR allows Microsoft to target fixes without a mass rollback, reducing churn for the majority while validating changes against telemetry and partner drivers. This surgical approach minimizes collateral damage when compared with older blunt‑force retractions.
• Clear, narrow documentation: Microsoft’s Release Health entries identify the affected scenarios and provide actionable workarounds for both consumers and admins, which is valuable for triage and communication.

Tradeoffs and operational risks​

• Legacy workload fragility: Tightening content‑protection and servicing checks can break long‑standing but legitimate workflows. Organizations relying on EVR/DirectShow paths, old capture drivers, or outdated imaging scripts may face unexpected outages. This is an operational risk for broadcasters, education institutions, and small businesses that cannot quickly modernize drivers or software.
• Management overhead: The KIR artifacts and Group Policy workarounds require active deployment and tracking. Smaller IT teams may be surprised by the additional administrative steps during a typical feature update cycle.

Where claims need caution​

• Exact device counts and hardware permutations: Publicly available notes and community reproductions show the problem is real and reproducible in many environments, but the exact percentage of devices affected — and the full hardware combinations that still fail after the Release Preview remediation — remain fluid. Treat any claim of “complete resolution” as tentative until telemetry confirms it across a broad hardware and driver matrix.
• Dates and KB mapping: Community traces map the regression to specific preview and cumulative KBs (for example KB5064081 and KB5065426), but deployments and mass telemetry can make pinpointing a single root cause complex. Administrators should validate the KB list against their environment rather than assuming a one‑size‑fits‑all origin.

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What to watch next​

• Release channel movement of the Release Preview remediation: once the targeted fix (previously staged to Release Preview) reaches the general channel, vendors and IT teams should validate before mass deployment. Confirm vendor driver sign‑offs, especially for GPU and capture hardware used in protected‑playback scenarios.
• KIR propagation: Microsoft’s KIR artifacts should resolve many consumer/non‑managed cases automatically; managed environments must apply the Group Policy artifact to accelerate the resolution. Track KIR deployment status in your environment.
• Vendor driver updates: Even after Microsoft’s platform fix, individual GPU and capture‑card drivers might still need patches. Coordinate with hardware vendors to schedule driver validation in pilot rings.

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Recommendation summary (concise)​

• For home users: If you use streaming services only, you are unlikely to be affected. If you run local Blu‑ray/DVD or tuner apps, delay installing 25H2 or the implicated servicing updates until the Release Preview remediation is validated. Copy .msu files locally before installing from network shares. fileciteturn0file12turn0file11
• For IT admins: Inventory EVR/legacy playback devices and scripted WUSA workflows, deploy the KIR Group Policy artifact in pilot rings, and change .msu installation practices to use local staging or DISM. Validate vendor drivers before broad rollout. fileciteturn0file11turn0file17
• For AV professionals and broadcasters: Do not upgrade production machines that rely on legacy pipelines until the remediation is confirmed. Use hardware players or alternate renderers for mission‑critical playback.

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Final assessment​

The two confirmed Windows 11 25H2 issues are narrow in scope but carry outsized impact for the affected audiences: AV and HTPC users, broadcast and capture ecosystems, and administrators who rely on WUSA and multi‑file network shares for updates. Microsoft’s staged approach — Release Preview fixes and Known Issue Rollback — is the right balance between preventing mass disruption and validating fixes across a diverse hardware landscape. However, the episode is a timely reminder that even conservative servicing changes can break legacy chains that still matter in specific workflows.
Administrators and power users should act proactively: inventory affected workloads, adjust deployment practices (copy .msu files locally, apply KIR for managed endpoints), and hold production‑critical systems until remediation and vendor driver validation are confirmed in test rings. Treat promises of a “complete fix” with cautious optimism until telemetry shows stability across the complete set of vendor hardware and driver combinations. fileciteturn0file11turn0file12

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Source: WinCentral Microsoft confirms 2 Windows 11 25H2 issues