How to fix error “ANCM In-Process Handler Load Failure”?

Question

I\'m setting up the first site in IIS on Windows Server 2016 Standard. This is a NET Core 2.2 application. I cannot get the site to show.

I am getting th

Answer 1

I'm also getting "HTTP Error 500.0 - ANCM In-Process Handler Load Failure"

Except in my case...Everything was running great until I got the Blue Screen of Death.

I have a solution with two startup projects.
One is an API (that comes up) and the other is a WebApp(which gets the error). Both are .NET Core 3.1..also VS2019.

First I tried setting a break point in Main() of program.cs...it never got this far.

 public static void Main(string[] args)
 {
     CreateHostBuilder(args).Build().Run();
 }

On a hunch...I Looked at the NuGet packages installed. I uninstalled and (re)installed

Microsoft.AspNetCore.Mvc.Razor.RuntimeCompilation(3.1.6)

...and now its working again.