UWP COMException on WebView after updating Windows 10 to ver 1803

After updating Windows 10 to version 1803 build 17134 the method GoBack() of the WebView raise the following COM exception:

$exception {System.Runtime.InteropServices.COMException (0x80004005): Error HRESULT E_FAIL has been returned from a call to a COM component. at Windows.UI.Xaml.Controls.WebView.GoBack() at LFgroupNative.Form.WebViewV3.act_back(Object sender, RoutedEventArgs e)} System.Runtime.InteropServices.COMException