Error 0x80040029

Value: -2147221463 | 0x80040029 | 2147745833

What does it mean ?

TAPI_E_REINIT  
The operation cannot be completed until all TAPI applications shutdown and reinitialize.
Value: 41 | 0x0029 | 0b0000000000101001

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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