In this post, you’ll learn more about the Error Code 0xC00D2841 – NS_E_DRM_BUSY that is returned when working with the Win32 Windows Media Format 11 SDK
Win32 Windows Media Format 11 SDK Error
0xC00D2841 – NS_E_DRM_BUSY
Win32 Windows Media Format 11 SDK Description
The DRM subsystem is currently locked by another application or user.