Component Object Model (COM) Error – ERROR_HV_INVALID_HYPERCALL_INPUT 0xC0350003

In this post, you’ll learn about the error “ERROR_HV_INVALID_HYPERCALL_INPUT 0xC0350003” that is returned when working with COM based APIs or libraries in Windows.

COM Error Message


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.

The hypervisor does not support the operation because the encoding for the hypercall input register is not supported.