HTTP Error 500.31 - Failed to load ASP.NET Core runtime,Microsoft.NetCore.App or Microsoft.AspNetCore.App was not found.

HTTP Error 500.31 - Failed to load ASP.NET Core runtime

Common solutions to this issue:

The specified version of Microsoft.NetCore.App or Microsoft.AspNetCore.App was not found.

解决方案

下载.NET运行环境

https://dotnet.microsoft.com/en-us/download/dotnet

下载4个文件，然后安装。