Error 0x80070089

Value: -2147024759 | 0x80070089 | 2147942537

What does it mean ?

ERROR_NOT_SUBSTED  
The system tried to delete the substitution of a drive that is not substituted.
Value: 137 | 0x0089 | 0b0000000010001001

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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