Error 0x80042100

Value: -2147213056 | 0x80042100 | 2147754240

What does it mean ?

MSS_E_INVALIDAPPNAME  
The specified application name is not valid. Check to see whether a search application with that name already exists.
Value: 8448 | 0x2100 | 0b0010000100000000

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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