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Windows 11 Preview Update Breaks DRM Playback in EVR-Based Blu-ray and TV Apps

Microsoft blames an August 29 preview update for breaking protected playback in legacy EVR apps.

Overview

  • Microsoft confirms that Windows 11 24H2 systems with optional update KB5064081 (or later) can fail to play DRM‑protected content in digital TV, Blu‑ray, and DVD apps.
  • Affected apps use the legacy Enhanced Video Renderer, triggering stutters, freezes, black screens, or copyright errors when HDCP or DRM on digital audio is enforced.
  • Streaming services are not impacted, with reports indicating the problem is contained to protected physical media playback and certain broadcast TV scenarios.
  • There is no immediate fix; Microsoft says it is working on a resolution, and users may need to pause updates or use alternative playback devices or streaming in the meantime.
  • Developers are being urged to migrate from EVR to newer Windows video rendering APIs such as the Simple Video Renderer.