In this post, you’ll learn more about the Error Code 0xC00D277A – NS_E_LICENSE_HEADER_MISSING_URL that is returned when working with the Win32 Windows Media Format 11 SDK
Win32 Windows Media Format 11 SDK Error
0xC00D277A – NS_E_LICENSE_HEADER_MISSING_URL
Win32 Windows Media Format 11 SDK Description
The content header is missing an acquisition URL.