如何解决"HTTP错误500.19-内部服务器错误"? “<删除名称=" ExtensionlessUrlHandler-Integrated-4.0"；/>"

我想将我的webapi上传到iis，但是出现以下错误:

I want to upload my webapi to iis but i am getting the following error:

Config Source:
   24:     </modules>
   25:     <handlers>
   26:       <remove name="ExtensionlessUrlHandler-Integrated-4.0" />

这是我的webconfig文件:

Here is my webconfig file:

<handlers>
  <remove name="ExtensionlessUrlHandler-Integrated-4.0" />
  <remove name="OPTIONSVerbHandler" />
  <remove name="TRACEVerbHandler" />
  <add name="ExtensionlessUrlHandler-Integrated-4.0" path="*." verb="*" type="System.Web.Handlers.TransferRequestHandler" preCondition="integratedMode,runtimeVersionv4.0" />
</handlers>

我正在使用Windows 8.1.我已经安装了IIS的所有功能.

I am using windows 8.1. I have installed all features of IIS.

我的应用程序池是:

如何解决这个问题?