In this post, you’ll learn more about the Error ERROR_GRAPHICS_CHILD_DESCRIPTOR_NOT_SUPPORTED – 0xC0262401 that is returned when working with the COM-based APIs in Win32
Win32 COM Error
ERROR_GRAPHICS_CHILD_DESCRIPTOR_NOT_SUPPORTED – 0xC0262401
Win32 COM Error Error Description
Specified display adapter child device does not support descriptor exposure.