In this post, you’ll learn more about the Error SPAPI_E_CLASS_MISMATCH – 0x800F0201 that is returned when working with the COM-based APIs in Win32
Win32 COM Error
SPAPI_E_CLASS_MISMATCH – 0x800F0201
Win32 COM Error Error Description
The INF or the device information set or element does not match the specified install class.