Error 0x800719EC

Value: -2147018260 | 0x800719EC | 2147949036

What does it mean ?

ERROR_LOG_CLIENT_ALREADY_REGISTERED  
A log client has already registered on the stream.
Value: 6636 | 0x19EC | 0b0001100111101100

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

Other Errors for FACILITY_WIN32