Error 0x80070597

Value: -2147023465 | 0x80070597 | 2147943831

What does it mean ?

ERROR_HOOK_NOT_INSTALLED  
The hook procedure is not installed.
Value: 1431 | 0x0597 | 0b0000010110010111

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