Component Object Model (COM) Error – ERROR_FLT_NOT_INITIALIZED 0x801F0007

In this post, you’ll learn about the error “ERROR_FLT_NOT_INITIALIZED 0x801F0007” that is returned when working with COM based APIs or libraries in Windows.

COM Error Message

ERROR_FLT_NOT_INITIALIZED 0x801F0007

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.

The Filter Manager was not initialized when a filter tried to register. Make sure that the Filter Manager is getting loaded as a driver.