If you're wanting to arrive at a web page served from localhost which has a self signed cert, you could enable a flag in edge. Head over to edge://flags and try to find localhost, and enable the flag Enable invalid certificates for methods loaded from localhost. If img-src 'self' knowledge: https://self-adhesiveminitrunking91233.blog-a-story.com/18559328/detailed-notes-on-self-adhesive-mini-trunking