Error 0x800401F8

Value: -2147221000 | 0x800401F8 | 2147746296

What does it mean ?

CO_E_DLLNOTFOUND  
DLL for class not found
Value: 504 | 0x01F8 | 0b0000000111111000

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

StackOverflow

Other Errors for FACILITY_ITF