Error 0x800703F9

Value: -2147023879 | 0x800703F9 | 2147943417

What does it mean ?

ERROR_NOT_REGISTRY_FILE  
The system has attempted to load or restore a file into the registry, but the specified file is not in a registry file format.
Value: 1017 | 0x03F9 | 0b0000001111111001

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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