Error 0x80070460

Value: -2147023776 | 0x80070460 | 2147943520

What does it mean ?

ERROR_MORE_WRITES  
A serial I/O operation was completed by another write to the serial port. // (The IOCTL_SERIAL_XOFF_COUNTER reached zero.)
Value: 1120 | 0x0460 | 0b0000010001100000

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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