HELP ATF nitro update firmware and server error


Good Day to all
I have ATF nitro problem. pls help me

when i click UPDATE FIRMWARE = ERROR SERVER CONNECTION
when i click restore box = ERROR SERVER CONNECTION
i tried to log in to atf network account = nothing happen

i try restore EEPROM sucess but when i try to restore box again ERROR SERVER CONNECTION
same result on update firmware

i tried to go to ATF network tab
and tried to Click Add ATF Servers to Windows host File

then do it all again but still the same.

i tried many versions of ATF even the latest version 12.60 still the same.
i even check the firewall and disabled the anti virus

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