Error 0x80040D55

Value: -2147218091 | 0x80040D55 | 2147749205

What does it mean ?

GTHR_E_INVALID_PROXY_PORT  
The specified port for the HTTP proxy is invalid. Specify a port between 0 and 0xffff
Value: 3413 | 0x0D55 | 0b0000110101010101

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

Other Errors for FACILITY_ITF