1. Correct the references ESRI.ArcGIS.Client, ESRI.ArcGIS.Client.Bing and ESRI.ArcGIS.Client.Toolkit.2. Remove the reference Microsoft.Windows.Controls.3. In Page.xaml and LightPage.xaml a) Change xmlns:toolkit="clr-namespace:Microsoft.Windows.Controls;assembly=Microsoft.Windows.Controls" to xmlns:toolkit="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls.Toolkit" b) Add xmlns:hierdata="clr-namespace:System.Windows;assembly=System.Windows.Controls.Toolkit" then change <toolkit:HierarchicalDataTemplate to <hierdata:HierarchicalDataTemplate.4. Remove the following from Page.xaml.cs and LightPage.xaml.cs: using Microsoft.Windows.Controls; 5. Add the following reference: System.Windows.Controls.Toolkit.6. In MapAnimation.xaml a) Change xmlns:slControls="clr-namespace:Microsoft.Windows.Controls;assembly=Microsoft.Windows.Controls"> to xmlns:slControls="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls.Toolkit">