Error 0x80070581

Value: -2147023487 | 0x80070581 | 2147943809

What does it mean ?

ERROR_HOTKEY_ALREADY_REGISTERED  
Hot key is already registered.
Value: 1409 | 0x0581 | 0b0000010110000001

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