Win32 COM Error – CO_E_INIT_ONLY_SINGLE_THREADED 0x80004012

In this post, you’ll learn more about the Error CO_E_INIT_ONLY_SINGLE_THREADED
0x80004012 that is returned when working with the COM-based APIs in Win32

Win32 COM Error

CO_E_INIT_ONLY_SINGLE_THREADED
0x80004012

Win32 COM Error Error Description

There was an attempt to call CoInitialize a second time while single threaded

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