In this post, you’ll learn about the error “STG_E_UNKNOWN 0x800300FD” that is returned when working with COM based APIs or libraries in Windows.
COM Error Message
STG_E_UNKNOWN 0x800300FD
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 unexpected error occurred.
