Event ID 1309 with Event Code 3005 on Windows Server 2012 R2 Application Server

Help Me to fix an issue "An unhandled exception has occurred" error on Windows Server 2012 R2 after getting updates on Server.

Find Below Detailed Issue.... 

Event id 1309


Event code: 3005 
Event message: An unhandled exception has occurred. 
Event time: 02/11/2019 09:22:19 
Event time (UTC): 02/11/2019 03:52:19 
Event ID: 80598d55503d456fa49e62d9957ebecf 
Event sequence: 24312 
Event occurrence: 11 
Event detail code: 0 
 
Application information: 
    Application domain: /LM/W3SVC/3/ROOT-1-132171203402946161 
    Trust level: Full 
    Application Virtual Path: / 
    Application Path: D:\xxx\yyy\ 
    Machine name: WIN-ICDJ43QVKB4 
 
Process information: 
    Process ID: 8080 
    Process name: w3wp.exe 
    Account name: IIS APPPOOL\abcdx 
 
Exception information: 
    Exception type: HttpException 
    Exception message: The remote host closed the connection. The error code is 0x800704CD.
   at System.Web.Hosting.IIS7WorkerRequest.RaiseCommunicationError(Int32 result, Boolean throwOnDisconnect)
   at System.Web.Hosting.IIS7WorkerRequest.ExplicitFlush()
   at System.Web.HttpResponse.Flush(Boolean finalFlush, Boolean async)
   at System.Web.HttpResponse.Flush()
   at System.Web.HttpWriter.WriteFromStream(Byte[] data, Int32 offset, Int32 size)
   at System.Web.HttpResponseStream.Write(Byte[] buffer, Int32 offset, Int32 count)
   at Microsoft.Reporting.WebForms.ReportDataOperation.StreamToResponse(Stream data, HttpResponse response)
   at Microsoft.Reporting.WebForms.ExportOperation.PerformOperation(NameValueCollection urlQuery, HttpResponse response)
   at Microsoft.Reporting.WebForms.HttpHandler.ProcessRequest(HttpContext context)
   at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
   at System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step)
   at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)

 
 
Request information: 
    Request URL: http://xxx.yyy.com/Reserved.ReportViewerWebControl.axd?Culture=2057&CultureOverrides=True&UICulture=1033&UICultureOverrides=True&ReportStack=1&ControlID=e4684104499748779996b2dbd483f7c2&Mode=true&OpType=Export&FileName=R_ConsoldateBillNewReport_New&ContentDisposition=OnlyHtmlInline&Format=PDF 
    Request path: /Reserved.ReportViewerWebControl.axd 
    User host address: 157.33.75.148 
    User:  
    Is authenticated: False 
    Authentication Type:  
    Thread account name: IIS APPPOOL\abcdx
 
Thread information: 
    Thread ID: 12 
    Thread account name: IIS APPPOOL\abcdx
    Is impersonating: False 
    Stack trace:    at System.Web.Hosting.IIS7WorkerRequest.RaiseCommunicationError(Int32 result, Boolean throwOnDisconnect)
   at System.Web.Hosting.IIS7WorkerRequest.ExplicitFlush()
   at System.Web.HttpResponse.Flush(Boolean finalFlush, Boolean async)
   at System.Web.HttpResponse.Flush()
   at System.Web.HttpWriter.WriteFromStream(Byte[] data, Int32 offset, Int32 size)
   at System.Web.HttpResponseStream.Write(Byte[] buffer, Int32 offset, Int32 count)
   at Microsoft.Reporting.WebForms.ReportDataOperation.StreamToResponse(Stream data, HttpResponse response)
   at Microsoft.Reporting.WebForms.ExportOperation.PerformOperation(NameValueCollection urlQuery, HttpResponse response)
   at Microsoft.Reporting.WebForms.HttpHandler.ProcessRequest(HttpContext context)
   at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
   at System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step)
   at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)