In this post, you’ll learn more about the Error Code 0xC00D284E – NS_E_DRM_LICENSE_DELETION_ERROR that is returned when working with the Win32 Windows Media Format 11 SDK
Win32 Windows Media Format 11 SDK Error
0xC00D284E – NS_E_DRM_LICENSE_DELETION_ERROR
Win32 Windows Media Format 11 SDK Description
License deletion did not work. Contact Microsoft product support.