I followed this tutorial for creating Signed SSL certificates on Windows for development purposes, and it worked great for one of my domains(I\'m using hosts file to simulat
For everyone who is encountering this and wants to accept the risk to test it, there is a solution: go to Incognito mode in Chrome and you'll be able to open "Advanced" and click "Proceed to some.url".
This can be helpful if you need to check some website which you are maintaining yourself and just testing as a developer (and when you don't yet have proper development certificate configured).
Of course this is NOT FOR PEOPLE using a website in production where this error indicates that there is a problem with website security.