In this post, you’ll learn about the error “ERROR_FLT_POST_OPERATION_CLEANUP 0x801F0009” that is returned when working with COM based APIs or libraries in Windows.
COM Error Message
ERROR_FLT_POST_OPERATION_CLEANUP 0x801F0009
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 must cleanup any operation specific context at this time because it is being removed from the system before the operation is completed by the lower drivers.