Microsoft has confirmed that the August and September 2025 servicing updates for Windows 11 introduced a regression that can block playback of DRM‑protected video in certain Blu‑ray, DVD and digital‑TV applications, and Microsoft is rolling a targeted fix through the Release Preview channel...
Microsoft confirmed that its September 2025 cumulative update for Windows 11, identified as KB5065426 (and preceded by the August preview KB5064081), introduced a regression that breaks playback of certain HDCP- and DRM‑protected video streams in legacy playback apps — notably those that use the...
I've been having problems with video playback using the CCCP codec pack which contains Media player classic.
The problem has been that when I use the seekbar in MPC the videoplayback has been choppy for a few seconds. This only seemed to appear while playing backwards. Seeing that MPC is the...