In this post, you’ll learn about the error “EVENT_E_ALL_SUBSCRIBERS_FAILED 0x80040201” that is returned when working with COM based APIs or libraries in Windows.
COM Error Message
EVENT_E_ALL_SUBSCRIBERS_FAILED 0x80040201
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 unable to invoke any of the subscribers
