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KB Details - KB5066835
KB5066835
⚠️ Yes
Title
October 14, 2025—KB5066835 (OS Builds 26200.6899 and 26100.6899) - Microsoft Support
Severity
Known Issues
⚠️ Yes
Known Issues Count
1
Release Date
2025-10-14
OS Builds
26200.6899, 26100.6899
Products Affected
Windows
Known Issues Details
#1 - Problems playing protected content in some BluRay/DVD/Digital TV apps Status: Investigating Symptoms: Apps may show copyright protection errors, frequent playback interruptions, unexpected stops, or black screens. Workaround: N/A Affected: Apps using Enhanced Video Renderer with HDCP enforcement or DRM for digital audio
Description
Problems playing protected content in some BluRay/DVD/Digital TV apps
Symptoms
Some Digital TV and Blu-ray/DVD apps might not play protected content as expected after installing the August 29, 2025, Windows non-security preview update (KB5064081), or later updates.
Apps that use Enhanced Video Renderer with HDCP enforcement or Digital Rights Management (DRM) for digital audio might show copyright prote...