diff --git a/svnsync/Program.cs b/svnsync/Program.cs
index 0f977c9..3894bf0 100644
--- a/svnsync/Program.cs
+++ b/svnsync/Program.cs
@@ -11,6 +11,7 @@ namespace svnsync
     static class Program
     {
       private static bool LoopStarted = false;
+
         /// <summary>
         /// Der Haupteinstiegspunkt für die Anwendung.
         /// </summary>
@@ -19,6 +20,10 @@ namespace svnsync
         if(!cmd(args)) {
           return;
         }
+        FileMutex.Instance.setName(CmdArgs.getInstance().GetArgumentData("-d"));
+        if(!FileMutex.Instance.create()) {
+          return;
+        }
         ControllersTray t = null;
         try {
           Svn.getInstance().setDirectory(CmdArgs.getInstance().GetArgumentData("-d"));
@@ -30,12 +35,13 @@ namespace svnsync
           string text = e.Message + "\n\n" + e.StackTrace;
           string title = "Exception in SVNSync: " + CmdArgs.getInstance().GetArgumentData("-d");
           System.Windows.Forms.MessageBox.Show(text, title, MessageBoxButtons.OK, MessageBoxIcon.Error);
-
+          FileMutex.Instance.delete();
           return;
         }
         if(!CmdArgs.getInstance().HasArgumentType("-cron")) {
           t_StartLoop();
         }
+        FileMutex.Instance.delete();
         return;
         /*Application.Run();*/
         /*Application.EnableVisualStyles();
diff --git a/svnsync/Properties/AssemblyInfo.cs b/svnsync/Properties/AssemblyInfo.cs
index 0df45cc..285ff1b 100644
--- a/svnsync/Properties/AssemblyInfo.cs
+++ b/svnsync/Properties/AssemblyInfo.cs
@@ -11,7 +11,7 @@ using System.Resources;
 [assembly: AssemblyConfiguration("")]
 [assembly: AssemblyCompany("BlubbFish")]
 [assembly: AssemblyProduct("SvnSync")]
-[assembly: AssemblyCopyright("Copyright ©  2012 - 03.12.2016")]
+[assembly: AssemblyCopyright("Copyright ©  2012 - 03.03.2017")]
 [assembly: AssemblyTrademark("")]
 [assembly: AssemblyCulture("")]
 
@@ -33,6 +33,6 @@ using System.Resources;
 // Sie können alle Werte angeben oder die standardmäßigen Build- und Revisionsnummern 
 // übernehmen, indem Sie "*" eingeben:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("1.0.2.0")]
-[assembly: AssemblyFileVersion("1.0.2.0")]
+[assembly: AssemblyVersion("1.0.3.0")]
+[assembly: AssemblyFileVersion("1.0.3.0")]
 [assembly: NeutralResourcesLanguageAttribute("de-DE")]
diff --git a/svnsync/bin/Release/SvnSync.exe b/svnsync/bin/Release/SvnSync.exe
index f776602..267ed36 100644
Binary files a/svnsync/bin/Release/SvnSync.exe and b/svnsync/bin/Release/SvnSync.exe differ