Win10 system, using TurboHUD 19.8.6.0 (v9.1) STABLE for Diablo III 2.6.5.58979 (64 bit),The error message displayed is:Unable to download realm data from :127.0.0.1:1081
Win10 firewall is off, it can't, or prompt this error.
Diablo version:2.6.6.6129111.jpg