In this post, you’ll learn more about the Error ERROR_VID_KM_INTERFACE_ALREADY_INITIALIZED – 0xC037001F that is returned when working with the COM-based APIs in Win32
Win32 COM Error
ERROR_VID_KM_INTERFACE_ALREADY_INITIALIZED – 0xC037001F
Win32 COM Error Error Description
This kernel mode interface for the virtualization infrastructure driver has already been initialized. Restarting the virtual machine may fix the problem. If the problem persists, try restarting the physical computer.