I have a clean installed windows 10, and a clean installed VS 2015 Update 1 with RC1 ASP.NET Tools. When I start a new ASP.NET MVC project without any authentication!, and H
I got this error when I was trying to debug an ASP.NET Core (RC1) project with the Enable SSL option checked. Previously I had moved the IIS Express Development Certificate into the Local Machine\Trusted Root Certificates folder in Certificate Manager in an attempt to prevent Chrome showing SSL errors. It turns out that that certificate is needed in the Local Machine\Personal folder. Copying the certificate there solved the problem.