Win32 COM Error – STG_E_INVALIDFLAG – 0x800300FF

In this post, you’ll learn more about the Error STG_E_INVALIDFLAG – 0x800300FF that is returned when working with the COM-based APIs in Win32

Win32 COM Error

STG_E_INVALIDFLAG – 0x800300FF

Win32 COM Error Error Description

Invalid flag error.