Component Object Model (COM) Error – ERROR_BCD_NOT_ALL_ENTRIES_IMPORTED 0x80390001

In this post, you’ll learn about the error “ERROR_BCD_NOT_ALL_ENTRIES_IMPORTED 0x80390001” 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.

Some BCD entries were not imported correctly from the BCD store.