diff --git a/BerichtGen/FrmOptions.Designer.cs b/BerichtGen/FrmOptions.Designer.cs
index 8e73558..ee24d87 100644
--- a/BerichtGen/FrmOptions.Designer.cs
+++ b/BerichtGen/FrmOptions.Designer.cs
@@ -50,6 +50,7 @@
             // cb_doc
             // 
             this.cb_doc.AutoSize = true;
+            this.cb_doc.Enabled = false;
             this.cb_doc.Font = new System.Drawing.Font("Microsoft Sans Serif", 12F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
             this.cb_doc.Location = new System.Drawing.Point(6, 12);
             this.cb_doc.Name = "cb_doc";
diff --git a/SanSystem/Global.cs b/SanSystem/Global.cs
index c950725..2558425 100644
--- a/SanSystem/Global.cs
+++ b/SanSystem/Global.cs
@@ -3,8 +3,10 @@ using Microsoft.Win32;
 using SanShared;
 using System;
 using System.Collections.Generic;
+using System.Diagnostics;
 using System.IO;
 using System.Linq;
+using System.Net.NetworkInformation;
 using System.Reflection;
 using System.Text;
 using System.Threading.Tasks;
@@ -17,6 +19,8 @@ namespace SanSystem
         public event EventHandler OnStatusMessageChanged;
         public static readonly Global instance = new Global();
 
+       
+
         const string userroot = "HKEY_CURRENT_USER\\Software";
         const string firmkey = "Cosysda";
         const string subkey = "SanManager";
@@ -29,6 +33,8 @@ namespace SanSystem
 
         string statusMessage = "";
 
+        
+
         public string StatusMessage
         {
             get
@@ -171,7 +177,18 @@ namespace SanSystem
             }
         }
 
+        public static bool CheckNetworkAnlageAvaible()
+        {
+            Ping pingSender = new Ping();
+            PingOptions options = new PingOptions();
 
+            string data = "aaaaaaaaaaaaa";
+            byte[] buffer = Encoding.ASCII.GetBytes(data);
+            int timeout = 20;
+            PingReply reply = pingSender.Send("192.168.2.248", timeout, buffer, options);
+            return reply.Status == IPStatus.Success;
+            
+        }
 
         public void LoadLanguage()
         {
@@ -181,7 +198,6 @@ namespace SanSystem
         public Global()
         {
             LadeRegistry();
-            
         }
 
         ~Global()
diff --git a/SanSystem/UCInliner.cs b/SanSystem/UCInliner.cs
index d5fe08a..db22865 100644
--- a/SanSystem/UCInliner.cs
+++ b/SanSystem/UCInliner.cs
@@ -200,7 +200,8 @@ namespace SanSystem
             if (Global.Instance.AnlageType == AcceptedCSVFormats.BLUELIGHT)
             {
                 OpenFileDialog openFileDialog = new OpenFileDialog();
-                openFileDialog.InitialDirectory = @"\\192.168.2.248";
+                if(Global.CheckNetworkAnlageAvaible())
+                    openFileDialog.InitialDirectory = @"\\192.168.2.248";
                 if (openFileDialog.ShowDialog() == DialogResult.OK)
                 {
                     string source = openFileDialog.FileName;
@@ -218,7 +219,7 @@ namespace SanSystem
                     DownloadFromUV();
                 }
             }
-            }
+        }
 
         private void ListFiles(FtpClient client, string directory)
         {
diff --git a/SanSystem/frmInfo.cs b/SanSystem/frmInfo.cs
index f8af9df..809f899 100644
--- a/SanSystem/frmInfo.cs
+++ b/SanSystem/frmInfo.cs
@@ -15,6 +15,12 @@ namespace SanSystem
         public frmInfo()
         {
             InitializeComponent();
+            string copyright = "Dieses Programm wurde von Damian Bodde entwickelt";
+            string trenner = "";
+            for (int i = 0; i < copyright.Length; i++)
+                trenner += "#";
+            lst_info.Items.Add(copyright);
+            lst_info.Items.Add(trenner);
             lst_info.Items.Add("Werte beziehen sich auf DN150");
             lst_info.Items.Add("3D Liner => ca 7% Schrumpf");
             lst_info.Items.Add("DN125 Liner => ca 3% Schrumpf");
diff --git a/SanSystem/frmOffsetSet.cs b/SanSystem/frmOffsetSet.cs
index 7c13182..a40b24d 100644
--- a/SanSystem/frmOffsetSet.cs
+++ b/SanSystem/frmOffsetSet.cs
@@ -27,7 +27,15 @@ namespace SanSystem
         private void Btn_save_Click(object sender, EventArgs e)
         {
             string s = string.Format("{0} {1}", dateTimePicker.Value.ToShortDateString(), txt_offset.Text);
-            Offset = DateTime.Parse(s);
+            try
+            {
+                Offset = DateTime.Parse(s);
+            }
+            catch(System.FormatException ex)
+            {
+                MessageBox.Show("Fehler beim Datum, es wird das jetzige Datum verwendet\n"+ex.Message);
+                Offset = DateTime.Now;
+            }
             this.Close();
         }
     }