Error 0x80041736

Value: -2147215562 | 0x80041736 | 2147751734

What does it mean ?

FILTER_E_ALREADY_OPEN  
A file is already open. Cannot open another one while a file is open.
Value: 5942 | 0x1736 | 0b0001011100110110

Where does it come from ?

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

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