Host file, local host and Virus Scanner

https://security.stackexchange.com/questions/96418/localhost-loopback-risk

https://support.microsoft.com/en-us/help/2764944/hosts-file-is-detected-as-malware-in-windows-defender

https://www.devside.net/wamp-server/unlock-and-unblock-the-windows-hosts-file

https://stackoverflow.com/questions/32563611/cant-open-local-iis-site-in-ie-edge

https://blogs.msdn.microsoft.com/msgulfcommunity/2015/07/01/how-to-debug-localhost-on-microsoft-edge/