Error 0x800704DF

Value: -2147023649 | 0x800704DF | 2147943647

What does it mean ?

ERROR_ALREADY_INITIALIZED  
An attempt was made to perform an initialization operation when initialization has already been completed.
Value: 1247 | 0x04DF | 0b0000010011011111

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

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