Error 0x8007008C

Value: -2147024756 | 0x8007008C | 2147942540

What does it mean ?

ERROR_JOIN_TO_SUBST  
The system tried to join a drive to a directory on a substituted drive.
Value: 140 | 0x008C | 0b0000000010001100

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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