Error 0x80040024

Value: -2147221468 | 0x80040024 | 2147745828

What does it mean ?

TAPI_E_NOTREGISTERED  
The application is not registered to handle requests.
Value: 36 | 0x0024 | 0b0000000000100100

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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