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Kb5121003

All articles tagged with #kb5121003

Windows 11 August update triggers game crashes as Microsoft probes driver issue
technology4 days ago

Windows 11 August update triggers game crashes as Microsoft probes driver issue

Microsoft is investigating reports that the Windows 11 August 2026 update (KB5121003) breaks certain games, causing crashes and reboots. Embark Studios linked the issue to a compatibility problem with the inpoutx64.sys driver and provided a temporary workaround to remove the driver, while Microsoft asks affected users to submit Feedback Hub and cautions against removing security updates unless necessary. The investigation continues to determine if the bug lies with Microsoft or third-party components.

August 2026 Windows patch may disrupt gaming on Windows 11
technology4 days ago

August 2026 Windows patch may disrupt gaming on Windows 11

Microsoft is investigating reports that the August 2026 Windows updates (KB5121003) can prevent some games on Windows 11 (versions 25H2 and 24H2) from launching or cause freezes, crashes, EXCEPTION_ACCESS_VIOLATION errors, or restarts. Embark Studios says the issue stems from changes to the inpoutx64.sys kernel driver and has issued a temporary workaround to remove the file; Microsoft is asking affected users to file diagnostics via Feedback Hub while a fix is developed.

Windows 11's August 2026 Patch Triggers Game Crashes on Some PCs
technology8 days ago

Windows 11's August 2026 Patch Triggers Game Crashes on Some PCs

Microsoft's August 2026 Windows 11 update KB5121003, a mandatory patch that fixes hundreds of security issues, is causing game crashes on some PCs—most notably ARC Raiders and The Finals—due to a compatibility break with the inpoutx64.sys driver; Embark says a fix is in the works and provides a workaround to safely remove the driver, though users should uninstall the update only if problems are severe, as the patch is otherwise important and there are other reported issues like reboots during install and Windows Hello PIN problems.

Windows 11 broadens app launch boost with Low Latency Profile rollout
technology10 days ago

Windows 11 broadens app launch boost with Low Latency Profile rollout

The August Patch Tuesday update (KB5121003) brings Microsoft’s Low Latency Profile to all Windows 11 apps, using a quick 'race to sleep' CPU boost to speed up launches across Win32 and third‑party software. Rollout is controlled (Controlled Feature Rollout) and can be force-enabled with ViveTool; users have seen faster opens for Notepad, Calculator, Chrome, and the Epic Games Store. While it improves apparent performance, critics call it a bandaid for optimization, with Microsoft noting that macOS uses a similar approach and chipmakers employ comparable techniques.

Windows 11 boosts app launch speed with new Low Latency Profile
technology13 days ago

Windows 11 boosts app launch speed with new Low Latency Profile

Microsoft’s Low Latency Profile, previously used to speed up shell elements like the Start menu, is now active for app launches after the August 2026 KB5121003 update (Build 26200.9168+). It spikes CPU clocks to near-maximum for 1–3 seconds when opening apps, delivering noticeably faster startup without meaningful battery or thermal impact. The rollout is gradual, but you can check with tools like HWiNFO or Task Manager or force-enable it with ViVeTool if it hasn’t reached your device yet (restart required). This move is part of broader Windows 11 performance optimizations, including memory and UI improvements.