未找到路径“/Content/install/PDFTool.exe”的控制器或该控制器未实现 IController。

System.Web.HttpException (0x80004005): 未找到路径“/Content/install/PDFTool.exe”的控制器或该控制器未实现 IController。
   在 System.Web.Mvc.DefaultControllerFactory.GetControllerInstance(RequestContext requestContext, Type controllerType)
   在 System.Web.Mvc.DefaultControllerFactory.CreateController(RequestContext requestContext, String controllerName)
   在 System.Web.Mvc.MvcHandler.ProcessRequestInit(HttpContextBase httpContext, IController& controller, IControllerFactory& factory)
   在 System.Web.Mvc.MvcHandler.BeginProcessRequest(HttpContextBase httpContext, AsyncCallback callback, Object state)
   在 System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
   在 System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step)
   在 System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)