Component Object Model (COM) Error – ERROR_FLT_REGISTRATION_BUSY 0x801F0023

In this post, you’ll learn about the error “ERROR_FLT_REGISTRATION_BUSY 0x801F0023” that is returned when working with COM based APIs or libraries in Windows.

COM Error Message

ERROR_FLT_REGISTRATION_BUSY 0x801F0023

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 filesystem database resource is in use. Registration cannot complete at this time.