If customer upgrades to Chrome 36, the test steps that have SimulateRealType selected will fail with something like this: [07/17 10:47:31,ArtOfTest.Runner.exe(6024:5),Execution] ExecutionEngine.NotifyBeforeStepExecuted() : Executing step 8 "Enter text 'young' in 'LastNameText'"... [07/17 10:47:32,ArtOfTest.Runner.exe(6024:5),Error] ExecutionEngine.ExecuteStep() : EXCEPTION! (see below) Outer Exception Type: System.ArgumentNullException Message: Value cannot be null. Parameter name: element HRESULT: 0x80004003 (Official ID (if app.) = E_POINTER, Error Bit = FAILED, Facility = FACILITY_NULL, Code = 16387) Call Stack: at System.Windows.Automation.TreeWalker.GetParent(AutomationElement element) at ArtOfTest.WebAii.BrowserSpecialized.Chrome.ChromeActions.FindDocumentElement(AutomationElement mainElement) at ArtOfTest.WebAii.BrowserSpecialized.Chrome.ChromeActions.GetContentRectangle() at ArtOfTest.WebAii.Core.Browser.get_ContentRectangle() at ArtOfTest.WebAii.ObjectModel.Element.GetRectangle() at ArtOfTest.WebAii.Controls.HtmlControls.HtmlControl.MouseClick() at ArtOfTest.WebAii.Design.IntrinsicTranslators.Descriptors.SetTextActionDescriptor.Execute(Browser browser) at ArtOfTest.WebAii.Design.Extensibility.HtmlActionDescriptor.Execute(IAutomationHost autoHost) at ArtOfTest.WebAii.Design.Execution.ExecutionEngine.ExecuteStep(Int32 order)