In this post, you’ll learn more about the Error ERROR_GRAPHICS_PATH_ALREADY_IN_TOPOLOGY – 0xC0262313 that is returned when working with the COM-based APIs in Win32
Win32 COM Error
ERROR_GRAPHICS_PATH_ALREADY_IN_TOPOLOGY – 0xC0262313
Win32 COM Error Error Description
Specified video present path is already in VidPN’s topology.