In this post, you’ll learn about the error “ERROR_GRAPHICS_UNASSIGNED_MODESET_ALREADY_EXISTS 0xC0262350” that is returned when working with COM based APIs or libraries in Windows.
COM Error Message
ERROR_GRAPHICS_UNASSIGNED_MODESET_ALREADY_EXISTS 0xC0262350
What is COM?
Microsoft’s COM stands for Component Object Model. Component Object Model (COM) is a networked, object-oriented framework for building interoperable binary software components. Microsoft’s OLE (compound documents), ActiveX (Internet-enabled components), and other products are built on the COM base technology.
Error Description
Below is the description of this COM Error.
No more than one unassigned mode set can exist at any given time for a given VidPN source/target.