diff --git a/ServerLib/CWebservice.cs b/ServerLib/CWebservice.cs
index 3a085350..1b2762f5 100644
--- a/ServerLib/CWebservice.cs
+++ b/ServerLib/CWebservice.cs
@@ -376,48 +376,153 @@ namespace ServerLib
 
         public SPlaylistData GetPlaylist(int playlistId)
         {
-            return CServer.GetPlaylist(playlistId);
+            try
+            {
+                return CServer.GetPlaylist(playlistId);
+            }
+            catch (ArgumentException e)
+            {
+                if (WebOperationContext.Current != null)
+                {
+                    WebOperationContext.Current.OutgoingResponse.StatusCode = HttpStatusCode.Forbidden;
+                    WebOperationContext.Current.OutgoingResponse.StatusDescription = e.Message;
+                }
+
+                return new SPlaylistData();
+            }
+           
         }
 
         public void AddSongToPlaylist(int songId, int playlistId, bool allowDuplicates)
         {
-            if (_CheckRight(EUserRights.AddSongToPlaylist))
+            if (!_CheckRight(EUserRights.AddSongToPlaylist))
+                return;
+
+            try
+            {
                 CServer.AddSongToPlaylist(songId, playlistId, allowDuplicates);
+            }
+            catch (ArgumentException e)
+            {
+                if (WebOperationContext.Current != null)
+                {
+                    WebOperationContext.Current.OutgoingResponse.StatusCode = HttpStatusCode.Forbidden;
+                    WebOperationContext.Current.OutgoingResponse.StatusDescription = e.Message;
+                }
+            }
         }
 
         public void RemoveSongFromPlaylist(int position, int playlistId, int songId)
         {
-            if (_CheckRight(EUserRights.RemoveSongsFromPlaylists))
+            if (!_CheckRight(EUserRights.RemoveSongsFromPlaylists))
+                return;
+
+            try
+            {
                 CServer.RemoveSongFromPlaylist(position, playlistId, songId);
+            }
+            catch (ArgumentException e)
+            {
+                if (WebOperationContext.Current != null)
+                {
+                    WebOperationContext.Current.OutgoingResponse.StatusCode = HttpStatusCode.Forbidden;
+                    WebOperationContext.Current.OutgoingResponse.StatusDescription = e.Message;
+                }
+            }
         }
 
         public void MoveSongInPlaylist(int newPosition, int playlistId, int songId)
         {
-            if (_CheckRight(EUserRights.ReorderPlaylists))
+            if (!_CheckRight(EUserRights.ReorderPlaylists))
+                return;
+
+            try
+            {
                 CServer.MoveSongInPlaylist(newPosition, playlistId, songId);
+            }
+            catch (ArgumentException e)
+            {
+                if (WebOperationContext.Current != null)
+                {
+                    WebOperationContext.Current.OutgoingResponse.StatusCode = HttpStatusCode.Forbidden;
+                    WebOperationContext.Current.OutgoingResponse.StatusDescription = e.Message;
+                }
+            }
         }
 
         public bool PlaylistContainsSong(int songId, int playlistId)
         {
-            return CServer.PlaylistContainsSong(songId, playlistId);
+            try
+            {
+                return CServer.PlaylistContainsSong(songId, playlistId);
+            }
+            catch (ArgumentException e)
+            {
+                if (WebOperationContext.Current != null)
+                {
+                    WebOperationContext.Current.OutgoingResponse.StatusCode = HttpStatusCode.Forbidden;
+                    WebOperationContext.Current.OutgoingResponse.StatusDescription = e.Message;
+                }
+
+                return false;
+            }
         }
 
         public SPlaylistSongInfo[] GetPlaylistSongs(int playlistId)
         {
-            return CServer.GetPlaylistSongs(playlistId);
+            try
+            {
+                return CServer.GetPlaylistSongs(playlistId);
+            }
+            catch (ArgumentException e)
+            {
+                if (WebOperationContext.Current != null)
+                {
+                    WebOperationContext.Current.OutgoingResponse.StatusCode = HttpStatusCode.Forbidden;
+                    WebOperationContext.Current.OutgoingResponse.StatusDescription = e.Message;
+                }
+                return new SPlaylistSongInfo[0];
+            }
         }
 
         public void RemovePlaylist(int playlistId)
         {
-            if (_CheckRight(EUserRights.DeletePlaylists))
+            if (!_CheckRight(EUserRights.DeletePlaylists))
+                return;
+
+            try
+            {
                 CServer.RemovePlaylist(playlistId);
+            }
+            catch (ArgumentException e)
+            {
+                if (WebOperationContext.Current != null)
+                {
+                    WebOperationContext.Current.OutgoingResponse.StatusCode = HttpStatusCode.Forbidden;
+                    WebOperationContext.Current.OutgoingResponse.StatusDescription = e.Message;
+                }
+            }
         }
 
         public int AddPlaylist(string playlistName)
         {
-            if (_CheckRight(EUserRights.CreatePlaylists))
-                return CServer.AddPlaylist(playlistName);
+            if (!_CheckRight(EUserRights.CreatePlaylists))
             return -1;
+
+            try
+            {
+                return CServer.AddPlaylist(playlistName);
+            }
+            catch (ArgumentException e)
+            {
+                if (WebOperationContext.Current != null)
+                {
+                    WebOperationContext.Current.OutgoingResponse.StatusCode = HttpStatusCode.Forbidden;
+                    WebOperationContext.Current.OutgoingResponse.StatusDescription = e.Message;
+                }
+
+                return -1;
+            }
         }
         #endregion
 
diff --git a/Vocaluxe/Lib/Playlist/CPlaylistFile.cs b/Vocaluxe/Lib/Playlist/CPlaylistFile.cs
index 77fc2b06..fdddf0dc 100644
--- a/Vocaluxe/Lib/Playlist/CPlaylistFile.cs
+++ b/Vocaluxe/Lib/Playlist/CPlaylistFile.cs
@@ -43,7 +43,7 @@ namespace Vocaluxe.Lib.Playlist
 
         public void Save()
         {
-            if (File == "")
+            if (string.IsNullOrEmpty(File))
             {
                 string filename = string.Empty;
                 // ReSharper disable LoopCanBeConvertedToQuery
diff --git a/Vocaluxe/Website/js/main.js b/Vocaluxe/Website/js/main.js
index 49aec6f1..b51c9841 100644
--- a/Vocaluxe/Website/js/main.js
+++ b/Vocaluxe/Website/js/main.js
@@ -46,6 +46,10 @@
             data.timeout = 10000; //10 sec. timeout
         }
 
+        if ((typeof data.type) == "undefined") {
+            data.type = "GET"; 
+        }
+
         if (message != "noOverlay") {
             var message2 = message;
             if (i18n.t) {
@@ -585,6 +589,7 @@
                         url: "sendPhoto",
                         contentType: "application/json;charset=utf-8",
                         type: "POST",
+                        timeout: 40000,
                         data: JSON.stringify({ Photo: { base64Data: imgData } })
                     }, 'Uploading photo...');
                 }
@@ -1226,7 +1231,7 @@
                     if (name != null
                         && name.replace(" ", "") != ""
                         && $('h2').filter(function () { return this.textContent == name; }).length == 0) {
-                        request({ url: "addPlaylist?playlistName=" + name }, "Creating...").done(function () {
+                        request({ url: "addPlaylist?playlistName=" + name, dataType: "json" }, "Creating...").done(function () {
                             request({
                                 url: "getPlaylists"
                             }).done(function (data2) {
diff --git a/Vocaluxe/app.config b/Vocaluxe/app.config
index 7fb031b0..c0dafe77 100644
--- a/Vocaluxe/app.config
+++ b/Vocaluxe/app.config
@@ -3,4 +3,32 @@
   <startup>
     
   <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0"/></startup>
+<!-- Enable for WCF tracing
+  <system.serviceModel>
+    <diagnostics>
+      <messageLogging logEntireMessage="true" logMalformedMessages="true"
+          logMessagesAtServiceLevel="true" logMessagesAtTransportLevel="true" maxMessagesToLog="3000" />
+    </diagnostics>
+  </system.serviceModel>
+  <system.diagnostics>
+    <sources>
+      <source name="System.ServiceModel" switchValue="Information,ActivityTracing"
+        propagateActivity="true">
+        <listeners>
+          <add name="xml" />
+        </listeners>
+      </source>
+      <source name="System.ServiceModel.MessageLogging">
+        <listeners>
+          <add name="xml" />
+        </listeners>
+      </source>
+    </sources>
+    <sharedListeners>
+      <add initializeData="C:\temp\TracingAndLogging-service.svclog" type="System.Diagnostics.XmlWriterTraceListener"
+        name="xml" />
+    </sharedListeners>
+    <trace autoflush="true" />
+  </system.diagnostics>
+  -->
 </configuration>