In this post, you’ll learn more about the Error ERROR_VOLMGR_STRUCTURE_SIZE_INVALID – 0xC0380041 that is returned when working with the COM-based APIs in Win32
Win32 COM Error
ERROR_VOLMGR_STRUCTURE_SIZE_INVALID – 0xC0380041
Win32 COM Error Error Description
The Size fields in the VM_VOLUME_LAYOUT input structure are incorrectly set.