Error 0x800C0009

Value: -2146697207 | 0x800C0009 | 2148270089

What does it mean ?

INET_E_AUTHENTICATION_REQUIRED  
Authentication is required to access this resource.
Value: 9 | 0x0009 | 0b0000000000001001

Where does it come from ?

FACILITY_INTERNET  
Wininet related (Internet APIs)
Value: 12 | 0x00C | 0b00001100

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