diff --git a/Creator/Program.cs b/Creator/Program.cs
index 060575d..90dbecb 100644
--- a/Creator/Program.cs
+++ b/Creator/Program.cs
@@ -149,7 +149,8 @@ namespace KattekerCreator
             var kattekerConfig = new KattekerConfig
             {
                 Publish = _appArguments.PublishDir ?? _appArguments.OutputDir,
-                Changelog = Path.GetFileName(_appArguments.ChangeLog)
+                Changelog = Path.GetFileName(_appArguments.ChangeLog),
+                Channel =  _appArguments.Channel
             };
             kattekerConfig.WriteToFile(pathToFile);
             return pathToFile;
diff --git a/Creator/Properties/AssemblyInfo.cs b/Creator/Properties/AssemblyInfo.cs
index f8a3af7..f865701 100644
--- a/Creator/Properties/AssemblyInfo.cs
+++ b/Creator/Properties/AssemblyInfo.cs
@@ -31,6 +31,6 @@ using System.Runtime.InteropServices;
 // Sie können alle Werte angeben oder die standardmäßigen Build- und Revisionsnummern 
 // übernehmen, indem Sie "*" eingeben:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("1.0.0.0")]
-[assembly: AssemblyFileVersion("1.0.0.0")]
+[assembly: AssemblyVersion("1.0.1.0")]
+[assembly: AssemblyFileVersion("1.0.1.0")]
 
diff --git a/Katteker.Gui/Katteker.UserInterface.csproj b/Katteker.Gui/Katteker.UserInterface.csproj
index aa053a8..902273b 100644
--- a/Katteker.Gui/Katteker.UserInterface.csproj
+++ b/Katteker.Gui/Katteker.UserInterface.csproj
@@ -34,6 +34,9 @@
     <DocumentationFile>bin\Release\Katteker.UserInterface.xml</DocumentationFile>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="Katteker, Version=1.1.0.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\packages\Katteker.1.1.0\lib\net45\Katteker.dll</HintPath>
+    </Reference>
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="System" />
     <Reference Include="System.Core" />
@@ -59,6 +62,7 @@
   </ItemGroup>
   <ItemGroup>
     <None Include="app.config" />
+    <None Include="packages.config" />
   </ItemGroup>
   <ItemGroup>
     <EmbeddedResource Include="Properties\Resources.resx">
@@ -70,12 +74,6 @@
       <DependentUpon>UpdateWindow.cs</DependentUpon>
     </EmbeddedResource>
   </ItemGroup>
-  <ItemGroup>
-    <ProjectReference Include="..\Katteker\Katteker.csproj">
-      <Project>{a45e1c59-ba9e-452c-a5e2-50de49d53e92}</Project>
-      <Name>Katteker</Name>
-    </ProjectReference>
-  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <PropertyGroup>
     <PostBuildEvent>
diff --git a/Katteker.Gui/Properties/AssemblyInfo.cs b/Katteker.Gui/Properties/AssemblyInfo.cs
index 76d3cad..08053b7 100644
--- a/Katteker.Gui/Properties/AssemblyInfo.cs
+++ b/Katteker.Gui/Properties/AssemblyInfo.cs
@@ -31,5 +31,5 @@ using System.Runtime.InteropServices;
 // Sie können alle Werte angeben oder die standardmäßigen Build- und Revisionsnummern 
 // übernehmen, indem Sie "*" eingeben:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("1.0.0")]
-[assembly: AssemblyFileVersion("1.0.0")]
+[assembly: AssemblyVersion("1.1.4")]
+[assembly: AssemblyFileVersion("1.1.4")]
diff --git a/Katteker.Gui/UpdateWindow.cs b/Katteker.Gui/UpdateWindow.cs
index 6d7792d..86e12f2 100644
--- a/Katteker.Gui/UpdateWindow.cs
+++ b/Katteker.Gui/UpdateWindow.cs
@@ -90,30 +90,27 @@ namespace Katteker
             }
 
             changelogContent = changelogContent.ChangelogAsHtml(Path.GetExtension(Changelog));
-            Invoke(new Action(() => changelogBrowser.DocumentText = changelogContent));
+            InvokeOnGui(() => changelogBrowser.DocumentText = changelogContent);
 
             if (_entry == null)
             {
-                Invoke(new Action(() => { WriteTitle(Resources.No_update_available); }));
+                WriteTitle(Resources.No_update_available);
             }
             else
             {
                 var latest = _entry.Version;
-                Invoke(new Action(() =>
-                {
-                    WriteTitle(Resources.You_can_update_to_Version + latest);
-                    updBtn.Visible = true;
-                }));
+                WriteTitle(Resources.You_can_update_to_Version + latest);
+                InvokeOnGui(() => updBtn.Visible = true);
             }
         }
 
         private async void UpdBtn_Click(object sender, EventArgs e)
         {
-            Invoke(new Action(() => progressBar1.Visible = true));
+            InvokeOnGui(() => progressBar1.Visible = true);
 
             try
             {
-                var progress = new Progress<int>(x => Invoke(new Action(() => { progressBar1.Value = x; })));
+                var progress = new Progress<int>(x => InvokeOnGui(() => progressBar1.Value = x));
                 await _updateManager.UpdateAppAsync(progress).ConfigureAwait(false);
 
                 WriteTitle(Resources.You_re_up_to_date);
@@ -124,8 +121,12 @@ namespace Katteker
                     MessageBoxIcon.Question);
                 if (messResult == DialogResult.Yes)
                 {
-                    DialogResult = DialogResult.OK;
-                    Close();
+                    InvokeOnGui(() =>
+                    {
+                        DialogResult = DialogResult.OK;
+                        Close();
+                    });
+                    return;
                 }
             }
             catch (Exception ex)
@@ -134,23 +135,34 @@ namespace Katteker
                     Resources.Updater, MessageBoxButtons.OK, MessageBoxIcon.Error);
                 WriteTitle(Resources.Updater);
             }
-            finally
+
+            InvokeOnGui(() =>
             {
-                Invoke(new Action(() =>
-                {
-                    progressBar1.Visible = false;
-                    updBtn.Visible = false;
-                }));
-            }
+                progressBar1.Visible = false;
+                updBtn.Visible = false;
+            });
         }
 
         private void WriteTitle(string text)
         {
-            Invoke(new Action(() =>
+            InvokeOnGui(() =>
             {
                 Text = text;
                 titlebar.Text = text;
-            }));
+            });
+        }
+
+        private void InvokeOnGui(Action action)
+        {
+            if (Disposing || IsDisposed) return;
+            if (InvokeRequired)
+            {
+                Invoke(action);
+            }
+            else
+            {
+                action();
+            }
         }
     }
 }
\ No newline at end of file
diff --git a/Katteker.Gui/UserInterface.cs b/Katteker.Gui/UserInterface.cs
index 3c41864..2581e88 100644
--- a/Katteker.Gui/UserInterface.cs
+++ b/Katteker.Gui/UserInterface.cs
@@ -1,5 +1,4 @@
-using System;
-using System.Linq;
+using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
 using System.Windows.Forms;
@@ -13,7 +12,6 @@ namespace Katteker
     public static class UserInterface
     {
         private static UpdateManager _manager;
-        private static Action _restartApp;
 
         /// <summary>
         ///     Checks for Updates.
@@ -40,8 +38,7 @@ namespace Katteker
             }
 
             var releases = (await _manager.CheckForUpdateAsync().ConfigureAwait(false)).ToArray();
-            _restartApp = () => _manager.RestartApp();
-            if (releases.Any() || !isStartup)
+            if (releases.Length > 0 || !isStartup)
             {
                 var thread = new Thread(ThreadProcess);
                 thread.SetApartmentState(ApartmentState.STA);
@@ -58,7 +55,7 @@ namespace Katteker
                 var dialogResult = window.ShowDialog();
                 if (dialogResult == DialogResult.OK)
                 {
-                    _restartApp?.Invoke();
+                    _manager.RestartApp();
                 }
             }
         }
diff --git a/Katteker.Gui/packages.config b/Katteker.Gui/packages.config
new file mode 100644
index 0000000..82a1859
--- /dev/null
+++ b/Katteker.Gui/packages.config
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="Katteker" version="1.1.0" targetFramework="net45" />
+</packages>
\ No newline at end of file
diff --git a/Katteker/KattekerConfig.cs b/Katteker/KattekerConfig.cs
index 19f7147..013e826 100644
--- a/Katteker/KattekerConfig.cs
+++ b/Katteker/KattekerConfig.cs
@@ -7,7 +7,7 @@ namespace Katteker
     /// <summary>
     /// Configuration of a Katteker-Deployment
     /// </summary>
-    [Serializable]  
+    [Serializable]
     public class KattekerConfig
     {
         /// <summary>
@@ -20,6 +20,11 @@ namespace Katteker
         /// </summary>
         public string Changelog { get; set; }
 
+        /// <summary>
+        /// Channel of the application. (Alpha, Beta and so on...)
+        /// </summary>
+        public string Channel { get; set; }
+
         /// <summary>
         /// Read file and deserialize content.
         /// </summary>
diff --git a/Katteker/Properties/AssemblyInfo.cs b/Katteker/Properties/AssemblyInfo.cs
index 6272e7e..18cb9ea 100644
--- a/Katteker/Properties/AssemblyInfo.cs
+++ b/Katteker/Properties/AssemblyInfo.cs
@@ -32,6 +32,6 @@ using System.Runtime.InteropServices;
 // Sie können alle Werte angeben oder Standardwerte für die Build- und Revisionsnummern verwenden,
 // indem Sie "*" wie unten gezeigt eingeben:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("1.1.0")]
-[assembly: AssemblyFileVersion("1.1.0")]
+[assembly: AssemblyVersion("1.1.1")]
+[assembly: AssemblyFileVersion("1.1.1")]
 [assembly: InternalsVisibleTo("Katteker.Test")]
\ No newline at end of file
diff --git a/Katteker/UpdateManager.cs b/Katteker/UpdateManager.cs
index d0cf4a9..5da1fdd 100644
--- a/Katteker/UpdateManager.cs
+++ b/Katteker/UpdateManager.cs
@@ -55,7 +55,8 @@ namespace Katteker
             _config = ReadConfigFile();
             urlOrPath = urlOrPath ?? _config.Publish;
             var appName = applicationName ?? Utility.GetApplicationName();
-            var rootAppDirectory = Path.Combine(rootDirectory ?? Utility.GetLocalAppDataDirectory(), appName);
+            var channel = string.IsNullOrWhiteSpace(_config.Channel) ? string.Empty : $"_{_config.Channel}";
+            var rootAppDirectory = Path.Combine(rootDirectory ?? Utility.GetLocalAppDataDirectory(), appName + channel);
             return new UpdateManager(urlOrPath, appName, rootAppDirectory);
         }