Finally - I got an ASP.Net Core app to run! (Updated)
Here I go again... I was following along with the Pluralsight course " Building a Web App with ASP.NET Core, MVC 6, EF Core, and Angular " but couldn't get the first demo app to run. I was stuck in Section 2 - Visual Studio! Bummer! I created a new ASP.Net Core app from scratch and tried to run it out of the box and got the error you see at right. I had zero luck finding a solution online. I searched through the code and the only place I found where there was a "type" property that was likely to be null (it's actually a string value in the file) was in the [app].vs\config\applicationhost.config file: <configuration> ... <configProtectedData> <providers> <add name="IISWASOnlyRsaProvider" type="" description="Uses RsaCryptoServiceProvider to encrypt and decrypt" keyContainerName="iisWasKey" cspProviderName="" useMachineContainer="true" useOAEP=...