diff --git a/SanSystem/frmExceptionWindow.Designer.cs b/SanSystem/frmExceptionWindow.Designer.cs
index e3a0522..f5b15a4 100644
--- a/SanSystem/frmExceptionWindow.Designer.cs
+++ b/SanSystem/frmExceptionWindow.Designer.cs
@@ -28,19 +28,51 @@
         /// </summary>
         private void InitializeComponent()
         {
+            this.button1 = new System.Windows.Forms.Button();
+            this.txt_error = new System.Windows.Forms.TextBox();
             this.SuspendLayout();
             // 
+            // button1
+            // 
+            this.button1.Font = new System.Drawing.Font("Microsoft Sans Serif", 16.2F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
+            this.button1.Location = new System.Drawing.Point(12, 389);
+            this.button1.Name = "button1";
+            this.button1.Size = new System.Drawing.Size(911, 75);
+            this.button1.TabIndex = 0;
+            this.button1.Text = "OK";
+            this.button1.UseVisualStyleBackColor = true;
+            this.button1.Click += new System.EventHandler(this.Button1_Click);
+            // 
+            // txt_error
+            // 
+            this.txt_error.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
+            | System.Windows.Forms.AnchorStyles.Left) 
+            | System.Windows.Forms.AnchorStyles.Right)));
+            this.txt_error.Font = new System.Drawing.Font("Microsoft Sans Serif", 13.8F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
+            this.txt_error.Location = new System.Drawing.Point(12, 12);
+            this.txt_error.Multiline = true;
+            this.txt_error.Name = "txt_error";
+            this.txt_error.Size = new System.Drawing.Size(911, 371);
+            this.txt_error.TabIndex = 1;
+            // 
             // frmExceptionWindow
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 16F);
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
-            this.ClientSize = new System.Drawing.Size(800, 450);
+            this.ClientSize = new System.Drawing.Size(935, 476);
+            this.ControlBox = false;
+            this.Controls.Add(this.txt_error);
+            this.Controls.Add(this.button1);
             this.Name = "frmExceptionWindow";
             this.Text = "ExceptionWindow";
             this.ResumeLayout(false);
+            this.PerformLayout();
 
         }
 
         #endregion
+
+        private System.Windows.Forms.Button button1;
+        private System.Windows.Forms.TextBox txt_error;
     }
 }
\ No newline at end of file
diff --git a/SanSystem/frmExceptionWindow.cs b/SanSystem/frmExceptionWindow.cs
index 1a622f1..4d29382 100644
--- a/SanSystem/frmExceptionWindow.cs
+++ b/SanSystem/frmExceptionWindow.cs
@@ -10,11 +10,25 @@ using System.Windows.Forms;
 
 namespace SanSystem
 {
+    /// <summary>
+    /// 
+    /// </summary>
     public partial class frmExceptionWindow : Form
     {
-        public frmExceptionWindow()
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="message"></param>
+        public frmExceptionWindow(string message)
         {
             InitializeComponent();
+            txt_error.Text = message;
+            txt_error.ReadOnly = true;
+        }
+
+        private void Button1_Click(object sender, EventArgs e)
+        {
+            Environment.Exit(0);
         }
     }
 }
diff --git a/SanSystem/frmMain.cs b/SanSystem/frmMain.cs
index 94f0c5b..770d4f9 100644
--- a/SanSystem/frmMain.cs
+++ b/SanSystem/frmMain.cs
@@ -39,8 +39,9 @@ namespace SanSystem
             }
             catch(DataBaseVersionMismatchException ex)
             {
-                MessageBox.Show("Software und Datenbank passen nicht zusammen\nProgramm wird beendet\n"+ex.Message);
-                Environment.Exit(0);
+                frmExceptionWindow frmException = new frmExceptionWindow(ex.Message);
+                frmException.FormClosed += FrmException_FormClosed;
+                frmException.ShowDialog();
             }
            
             //Datenbank.Instance.CreateProjekt("");
@@ -68,8 +69,10 @@ namespace SanSystem
             
         }
 
-        
-
+        private void FrmException_FormClosed(object sender, FormClosedEventArgs e)
+        {
+            Environment.Exit(0);
+        }
 
         private void frm_main_Load(object sender, EventArgs e)
         {