Error 0x80040EFF

Value: -2147217665 | 0x80040EFF | 2147749631

What does it mean ?

Dummy error - need this error so that mc puts the above defines inside the FACILITY_WINDOWS guard, instead of leaving it empty
Value: 3839 | 0x0EFF | 0b0000111011111111

Where does it come from ?

COM/OLE Interface management. FACILITY_ITF is designated for user-defined error codes returned from interface methods
Value: 4 | 0x004 | 0b00000100

Other Errors for FACILITY_ITF