Error 0x80070040

Value: -2147024832 | 0x80070040 | 2147942464

What does it mean ?

ERROR_NETNAME_DELETED  
The specified network name is no longer available.
Value: 64 | 0x0040 | 0b0000000001000000

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

StackOverflow

Other Errors for FACILITY_WIN32