Component Object Model (COM) Error – ERROR_VOLMGR_UNEXPECTED_DISK_LAYOUT_CHANGE 0xC0380044

In this post, you’ll learn about the error “ERROR_VOLMGR_UNEXPECTED_DISK_LAYOUT_CHANGE 0xC0380044” 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.

An unexpected layout change occurred outside of the volume manager.