Error 0x8007077A

Value: -2147022982 | 0x8007077A | 2147944314

What does it mean ?

RPC_S_INVALID_ASYNC_HANDLE  
Invalid asynchronous remote procedure call handle.
Value: 1914 | 0x077A | 0b0000011101111010

Where does it come from ?

FACILITY_WIN32  
Provides a way to handle error codes from functions in the Win32 API as an HRESULT. (Error codes in 16 - bit OLE that duplicated Win32 error codes have also been changed to FACILITY_WIN32)
Value: 7 | 0x007 | 0b00000111

StackOverflow

Other Errors for FACILITY_WIN32