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copied!<p>(I've edited previous answer instead of adding a new one)<BR> I've spend a little time trying to find a solution, and I don't see why your code doesn't run. In my case it's enough if I do such a change in App.xaml:</p> <pre><code> private void CompleteInitializePhoneApplication(object sender, NavigationEventArgs e) { // Set the root visual to allow the application to render if (RootVisual != RootFrame) RootVisual = RootFrame; // Remove this handler since it is no longer needed RootFrame.Navigated -= CompleteInitializePhoneApplication; App.RootFrame.Navigate(new Uri("/passPage.xaml", UriKind.RelativeOrAbsolute)); } </code></pre> <p>This works on my example which is under the link <a href="http://sdrv.ms/1ajH40E" rel="nofollow noreferrer">http://sdrv.ms/1ajH40E</a> <BR>But - I cannot prevent user from seeing last screen when he holds back buton and is chosing to which app return, and then for a blink he can see the last page before leaving the app. <BR>I don't know if it is possible to change this behaviour after clicking MS Button:<br> <a href="https://stackoverflow.com/questions/16299491/windows-phone-change-deactivated-app-image">windows phone change deactivated app image</a></p> <p><strong>Second edit</strong><br> Ok - maybe I've found solution why it sometiems work and sometimes not in your code. After pressing the Start or Search buton the App can go to two cases: Tombstone and non-tombsone. After return different events happen. Code above works with Tombstone case but not with non-tombstone. To work it with the second you need to add (because page is not initialized again) - (of course it can be different solution): <BR></p> <pre><code> bool afterActivation = false; private void Application_Activated(object sender, ActivatedEventArgs e) { afterActivation = true; } private void CheckForResetNavigation(object sender, NavigationEventArgs e) { // If the app has received a 'reset' navigation, then we need to check // on the next navigation to see if the page stack should be reset if (e.NavigationMode == NavigationMode.Reset) RootFrame.Navigated += ClearBackStackAfterReset; if (afterActivation) { afterActivation = false; App.RootFrame.Navigate(new Uri("/passPage.xaml", UriKind.RelativeOrAbsolute)); } } </code></pre> <p>Please also ensure of your debug properties in VS: Project->Properties->Debug->Tombstone upon deactiovation checkbox.<br> You can also find some information here (if you haven't seen it before):<br> <a href="http://blogs.msdn.com/b/ptorr/archive/2010/12/11/how-to-correctly-handle-application-deactivation-and-reactivation.aspx" rel="nofollow noreferrer">http://blogs.msdn.com/b/ptorr/archive/2010/12/11/how-to-correctly-handle-application-deactivation-and-reactivation.aspx</a></p>

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