Error 0x8004181B

Value: -2147215333 | 0x8004181B | 2147751963

What does it mean ?

CI_E_SHARING_VIOLATION  
A sharing or locking violation caused a failure.
Value: 6171 | 0x181B | 0b0001100000011011

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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