Steps to reproduce: Record the following steps: 1. Navigate to http://www.4guysfromrolla.com/demos/OnBeforeUnloadDemo1.htm 2. Close the browser in order to trigger the dialog Execute with Chrome. Expected behavior: The OnBeforeUnload dialog is properly handled Actual behavior: The dialog is not handled and the following exception is output in the log: Timed out waiting '5000' msec. for any dialog to be handled '1' InnerException: System.TimeoutException: Timed out waiting '5000' msec. for any dialog to be handled '1' at ArtOfTest.WebAii.Win32.Dialogs.BaseDialog.WaitUntilAnyHandled(IEnumerable`1 dialogs, Int32 handleCount, Int64 timeoutMilliseconds, Boolean resetHandleCount) at ArtOfTest.WebAii.Design.IntrinsicTranslators.Descriptors.DialogHandlerDescriptor.Execute(Browser browser) at ArtOfTest.WebAii.Design.IntrinsicTranslators.Descriptors.DialogHandlerDescriptor.Execute(IAutomationHost browser) at ArtOfTest.WebAii.Design.Execution.ExecutionEngine.ExecuteStep(Int32 order)