In this post, you’ll learn more about the Error Code 0xC00D28B4 – NS_E_DRM_INVALID_LICENSEBLOB that is returned when working with the Win32 Windows Media Format 11 SDK
Win32 Windows Media Format 11 SDK Error
0xC00D28B4 – NS_E_DRM_INVALID_LICENSEBLOB
Win32 Windows Media Format 11 SDK Description
The license BLOB passed in the request is invalid. Contact Microsoft product support.