Error 0x80070584

Value: -2147023484 | 0x80070584 | 2147943812

What does it mean ?

ERROR_CLASS_HAS_WINDOWS  
Class still has open windows.
Value: 1412 | 0x0584 | 0b0000010110000100

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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