In this post, you’ll learn more about the Error ERROR_VOLMGR_UNEXPECTED_DISK_LAYOUT_CHANGE – 0xC0380044 that is returned when working with the COM-based APIs in Win32
Win32 COM Error
ERROR_VOLMGR_UNEXPECTED_DISK_LAYOUT_CHANGE – 0xC0380044
Win32 COM Error Error Description
An unexpected layout change occurred outside of the volume manager.