In this post, you’ll learn about the error “EVENT_S_SOME_SUBSCRIBERS_FAILED 0x00040200” that is returned when working with COM based APIs or libraries in Windows.
COM Error Message
EVENT_S_SOME_SUBSCRIBERS_FAILED 0x00040200
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 event was able to invoke some but not all of the subscribers