Error 0x80070927

Value: -2147022553 | 0x80070927 | 2147944743

What does it mean ?

NERR_CommDevInUse  
This device is already in use as a communication device.
Value: 2343 | 0x0927 | 0b0000100100100111

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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