title: NuGet Package Manager not working in Visual Studio 2017 - for a.NET Core 1.1 web application
body: <p>I just created a .NET Core Web Application in VS2017 and I wanted to be able to serve a single page application. In order to be able to do that I tried to install the nuget package Microsoft.AspNetCore.StaticFiles. But my NuGet installer failed and threw the following error</p>
  
  <blockquote>
    <p>Severity  Code    Description Project File    Line    Suppression State
      Package restore failed. Rolling back package changes for 'MyApp'.</p>
  </blockquote>