In this post, you’ll learn about the error “RPC_E_CANTPOST_INSENDCALL 0x80010003” that is returned when working with COM based APIs or libraries in Windows.
COM Error Message
RPC_E_CANTPOST_INSENDCALL 0x80010003
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 intertask SendMessage call and cannot call out via PostMessage.