I am running across test failing while running on test lists with this exception. I notice that sometimes my internet explorer goes white and fails close after the test is done running. I have windows 8 and IE 11. Please explain what is causes this issue. Error executing test. Error: System.IO.IOException: Pipe is broken. at System.IO.Pipes.PipeStream.WinIOError(Int32 errorCode) at System.IO.Pipes.PipeStream.WriteCore(Byte[] buffer, Int32 offset, Int32 count) at System.IO.Pipes.PipeStream.Write(Byte[] buffer, Int32 offset, Int32 count) at ArtOfTest.WebAii.Messaging.Process.PipeCommunication.WriteCommandToPipe(PipeCommand command, PipeStream pipe, Boolean waitForDrain) at ArtOfTest.WebAii.Design.Execution.RunnerController.Run(Test test, Settings settings, DesignTimeExecutionParams designTimeExecutionParams, String binaryFolder, String deploymentFolder, ExecutionType exeType, Guid firstStepGuid, Guid lastStepGuid, IntPtr existingBrowserHandle, DebuggerOptions debuggerOptions, String trafficLogFilename)