diff --git a/CampusAppWP8/CampusAppWP8/Pages/PlaceNews/PlaceNews.xaml.cs b/CampusAppWP8/CampusAppWP8/Pages/PlaceNews/PlaceNews.xaml.cs
index 1f4457ac..34a3edb2 100644
--- a/CampusAppWP8/CampusAppWP8/Pages/PlaceNews/PlaceNews.xaml.cs
+++ b/CampusAppWP8/CampusAppWP8/Pages/PlaceNews/PlaceNews.xaml.cs
@@ -57,6 +57,8 @@ namespace CampusAppWP8.Pages.PlaceNews
         /// <param name="e">Ein Objekt, das die Ereignisdaten enthält.</param>
         protected override void OnNavigatedTo(NavigationEventArgs e)
         {
+            base.OnNavigatedTo(e);
+            this.ProgressBar.Visibility = System.Windows.Visibility.Visible;
             if (NavigationMode.Back == e.NavigationMode && this.places == null)
             {
                 this.places = new PlacesFile();
@@ -65,7 +67,13 @@ namespace CampusAppWP8.Pages.PlaceNews
             }
             else
             {
-                this.InitializeApi();
+                Thread thread = new Thread(delegate()
+                {
+                    this.InitializeApi();
+
+                });
+                thread.Start();
+
             }
         }
 
@@ -102,7 +110,6 @@ namespace CampusAppWP8.Pages.PlaceNews
                 this.spsApi.OnLoaded += new SpsApi.OnIO(this.SpsApiIsReady);
                 this.spsApi.OnFailedLoad += new SpsApi.OnFailed(this.ApiIsFail);
                 this.spsApi.SetupCurrentPlaceRequest(Constants.SpsDomain_Buildings);
-                this.ProgressBar.Visibility = System.Windows.Visibility.Visible;
                 if (this.places.Model != null)
                 {
                     this.spsApi.LoadData();
@@ -159,7 +166,14 @@ namespace CampusAppWP8.Pages.PlaceNews
 
             if (this.waitForApi < 1)
             {
-                this.SetupResultBox();
+                if (this.Dispatcher != null)
+                {
+                    this.Dispatcher.BeginInvoke(new Action(() => this.SetupResultBox()));
+                }
+                else
+                {
+                    this.SetupResultBox();
+                }
             }
         }
 
@@ -172,7 +186,14 @@ namespace CampusAppWP8.Pages.PlaceNews
 
             if (this.waitForApi < 1)
             {
-                this.SetupResultBox();
+                if (this.Dispatcher != null)
+                {
+                    this.Dispatcher.BeginInvoke(new Action(() => this.SetupResultBox()));
+                }
+                else
+                {
+                    this.SetupResultBox();
+                };
             }
         }
 
@@ -197,8 +218,6 @@ namespace CampusAppWP8.Pages.PlaceNews
             List<string> infoNames = new List<string>() { Constants.PisInformationName_Name };
             List<string> serviceNames = new List<string>() { Constants.PssServiceName_PlaceNews };
 
-            this.ProgressBar.Visibility = System.Windows.Visibility.Visible;
-
             // load from pis api
             if (this.forceReqest || !this.places.Model.ContainsInformationNames(pidlist, infoNames))
             {
@@ -217,7 +236,14 @@ namespace CampusAppWP8.Pages.PlaceNews
 
             if (this.waitForApi < 1)
             {
-                this.SetupResultBox();
+                if (this.Dispatcher != null)
+                {
+                    this.Dispatcher.BeginInvoke(new Action(() => this.SetupResultBox()));
+                }
+                else
+                {
+                    this.SetupResultBox();
+                }
             }
         }
 
@@ -249,7 +275,7 @@ namespace CampusAppWP8.Pages.PlaceNews
         {
             Utilities.DetermineAndStoreCurrentPositionForce();
             this.forceReqest = true;
-            this.Dispatcher.BeginInvoke(new Action(() => this.InitializeApi()));
+            this.InitializeApi();
         }
 
         /// <summary>Event handler. Called by ApplicationBarMenuItem for click events.</summary>