Component Object Model (COM) Error – RPC_E_CANTCALLOUT_INASYNCCALL 0x80010004

In this post, you’ll learn about the error “RPC_E_CANTCALLOUT_INASYNCCALL 0x80010004” that is returned when working with COM based APIs or libraries in Windows.

COM Error Message

RPC_E_CANTCALLOUT_INASYNCCALL 0x80010004

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.

The caller is dispatching an asynchronous call and cannot make an outgoing call on behalf of this call.

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