Error 0x83750001

Value: -2089484287 | 0x83750001 | 2205483009

What does it mean ?

WEB_E_UNSUPPORTED_FORMAT  
Unsupported format.
Value: 1 | 0x0001 | 0b0000000000000001

Where does it come from ?

FACILITY_WEB  
HTTP(s) protocol
Value: 885 | 0x375 | 0b1101110101

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Other Errors for FACILITY_WEB