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2w ago

Microsoft Confirms Windows 11 Updates Break DRM Video Playback in Some Apps

Microsoft attributes the failures to legacy EVR under HDCP or DRM, promising a patch.

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Overview

  • The regression surfaced after the August preview KB5064081 and persists in the September Windows 11 update KB5065426.
  • Affected setups are primarily Windows 11 24H2 and related 25H2 builds, while older Windows 10 and other Windows 11 versions appear unaffected.
  • Microsoft identifies the issue in apps that rely on the legacy Enhanced Video Renderer when copy protection is enforced.
  • Users report stuttering, freezes, black screens, and copy‑protection errors in digital TV software and Blu‑ray or DVD players.
  • Streaming platforms such as Netflix and Disney+ are unaffected, and Microsoft advises using alternate playback devices until a fix ships with no timeline given.