Error 0x80042303

Value: -2147212541 | 0x80042303 | 2147754755

What does it mean ?

VSS_E_PROVIDER_ALREADY_REGISTERED  
The provider has already been registered.
Value: 8963 | 0x2303 | 0b0010001100000011

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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