Error 0x800706AF

Value: -2147023185 | 0x800706AF | 2147944111

What does it mean ?

RPC_S_ALREADY_REGISTERED  
The object universal unique identifier (UUID) has already been registered.
Value: 1711 | 0x06AF | 0b0000011010101111

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