diff --git a/Common/.shared/SharedAssemblyInfo.cs b/Common/.shared/SharedAssemblyInfo.cs
index 3e8af694..406978ab 100644
--- a/Common/.shared/SharedAssemblyInfo.cs
+++ b/Common/.shared/SharedAssemblyInfo.cs
@@ -14,5 +14,5 @@ using System.Reflection;
 //[assembly: AssemblyVersion("1.2.*.0")]
 
 
-[assembly: AssemblyVersion("2.6.4.*")]
-[assembly: AssemblyFileVersion("2.6.4.0")]
\ No newline at end of file
+[assembly: AssemblyVersion("2.6.5.*")]
+[assembly: AssemblyFileVersion("2.6.5.0")]
\ No newline at end of file
diff --git a/ServiceFwUpdate/Ui/ServiceFwUpdateBuilder/FrmFwUpdateBuilder.Designer.cs b/ServiceFwUpdate/Ui/ServiceFwUpdateBuilder/FrmFwUpdateBuilder.Designer.cs
index fc4a7b9b..7d4cc8b8 100644
--- a/ServiceFwUpdate/Ui/ServiceFwUpdateBuilder/FrmFwUpdateBuilder.Designer.cs
+++ b/ServiceFwUpdate/Ui/ServiceFwUpdateBuilder/FrmFwUpdateBuilder.Designer.cs
@@ -962,6 +962,7 @@
             this.Controls.Add(this.mainMenu);
             this.MainMenuStrip = this.mainMenu;
             this.Name = "FrmFwUpdateBuilder";
+            this.WindowState = System.Windows.Forms.FormWindowState.Maximized;
             this.FormClosing += new System.Windows.Forms.FormClosingEventHandler(this.FrmFwUpdateBuilder_FormClosing);
             ((System.ComponentModel.ISupportInitialize)(this.picBoxLogo)).EndInit();
             this.grpLanguageSelection.ResumeLayout(false);
diff --git a/ServiceFwUpdate/Ui/ServiceFwUpdateBuilder/FrmFwUpdateBuilder.cs b/ServiceFwUpdate/Ui/ServiceFwUpdateBuilder/FrmFwUpdateBuilder.cs
index dbdc7a52..edc2b10c 100644
--- a/ServiceFwUpdate/Ui/ServiceFwUpdateBuilder/FrmFwUpdateBuilder.cs
+++ b/ServiceFwUpdate/Ui/ServiceFwUpdateBuilder/FrmFwUpdateBuilder.cs
@@ -1017,17 +1017,6 @@ namespace Xylem.ServiceFwUpdate.Ui.FwUpdateBuilder
                 // Check for the file in the application exe path and the application configuration path
                 if (File.Exists(nLogConfigSourcePathName) && !File.Exists(NLogConfigurationDestPathFile))
                     SystemControl.CopyFile(nLogConfigSourcePathName, NLogConfigurationDestPathFile);
-
-                //var rulerPathName = Path.Combine(fwUpdateBuilderLibraryPath,
-                //    FwUpdateConfig.MeterFwUpdateRulerConfigFileName);
-                //if (!File.Exists(rulerPathName))
-                //    rulerPathName = Path.Combine(AppDomain.CurrentDomain.BaseDirectory,
-                //        FwUpdateConfig.MeterFwUpdateRulerConfigFileName);
-                //if (File.Exists(rulerPathName))
-                //{
-                //    var rulerFile = File.ReadAllText(rulerPathName, Encoding.UTF8);
-                //    _meterFwUpdateRuler = JsonConvert.DeserializeObject<List<MeterFwUpdateRuler>>(rulerFile);
-                //}
             }
             catch (Exception)
             {
@@ -4961,49 +4950,19 @@ namespace Xylem.ServiceFwUpdate.Ui.FwUpdateBuilder
         }
 
         /// <summary>
-        /// Get Cordonel Fa update configuration files from DB.
-        /// The configuration files contain the latest MeterFwUpdateRuler.json (needed for the FwUpdateBuilder),
-        /// the latest configuration.json and the latest MeterEraseRestore.json (needed for the FwUpdateSw).
-        /// Copies the MeterFwUpdateRuler.json to the [exe-root] or [exe-root]/Library of the FwUpdateBuilder.
+        /// Get Cordonel FW update configuration files from DB.
+        /// The configuration files contain the latest configuration.json
+        /// and the latest MeterEraseRestore.json (needed for the FwUpdateSw).
         /// </summary>
         /// <remarks date="2021-Oct-27" author="Thomas Wiedebusch">
         /// - Initial.
         /// </remarks>
+        /// <remarks date="2023-Oct-06" author="Thomas Wiedebusch">
+        /// - Removed FUpdateRuler, all data are going to be taken from DB.
+        /// </remarks>
         private void GetFwUpdateConfigFilesFromDb()
         {
-            if (_fwUpdateDbAccess == null ||
-                !_fwUpdateDbAccess.DownloadFwUpdateConfigurationFilesFromDb() ||
-                _fwUpdateDbAccess.DbFwUpdateConfigFiles.Count == 0)
-                return;
-
-            try
-            {
-                // extract the MeterFwUpdateRuler
-                foreach (var f in _fwUpdateDbAccess.DbFwUpdateConfigFiles)
-                {
-                    if (f.FileName == FwUpdateConfig.MeterFwUpdateRulerConfigFileName)
-                    {
-                        // Copy MeterFwUpdateRuler either to exe-path or if existing to Library-subfolder 
-                        var fwUpdateBuilderExePath = AppDomain.CurrentDomain.BaseDirectory;
-                        var fwUpdateBuilderLibraryPath = Path.Combine(fwUpdateBuilderExePath,
-                            FwUpdateConfig.LibrarySubFolderName);
-
-                        // check the Library path existence (will be used in Release build)
-                        var meterFwUpdateRulerPath = Directory.Exists(fwUpdateBuilderLibraryPath) ?
-                            fwUpdateBuilderLibraryPath : fwUpdateBuilderExePath;
-
-                        var sourceFile = Path.Combine(meterFwUpdateRulerPath, f.FileName);
-                        var fs = File.Open(sourceFile, FileMode.Create);
-                        fs.Write(f.FileContent, 0, f.FileContent.Length);
-                        fs.Close();
-                    }
-                }
-            }
-
-            catch (Exception)
-            {
-                // nothing to do
-            }
+            _fwUpdateDbAccess?.DownloadFwUpdateConfigurationFilesFromDb();
         }
 
         /// <summary>
@@ -5372,7 +5331,7 @@ namespace Xylem.ServiceFwUpdate.Ui.FwUpdateBuilder
 
                     foreach (var f in fwPackage)
                     {
-                        // load the ADF
+                        // load the ADF (application description file, containing the information of each application)
                         if (f.FileName.Contains("product") && f.FileName.EndsWith(".txt"))
                         {
                             _fwUpdatePackage.PackageDescriptionFile.FileName = f.FileName;
@@ -5380,7 +5339,7 @@ namespace Xylem.ServiceFwUpdate.Ui.FwUpdateBuilder
                             _fwUpdatePackage.PackageDescriptionFile.FileContent = f.FileContent.ToArray();
                         }
 
-                        // load the binaries
+                        // load the binaries (application files)
                         if (f.FileName.Contains("binfile") && f.FileName.EndsWith(".bin"))
                         {
                             var filePart = new FilePart
@@ -5489,7 +5448,7 @@ namespace Xylem.ServiceFwUpdate.Ui.FwUpdateBuilder
             resources.ApplyResources(this, "$this");
             ControlExtensions.ChangeControlText(resources, Controls);
 
-            var rm = new ComponentResourceManager(this.GetType());
+            var rm = new ComponentResourceManager(GetType());
             foreach (var control in this.AllControls())
             {
                 if (control is ToolStrip)
diff --git a/ServiceFwUpdate/Ui/ServiceFwUpdateBuilder/FrmFwUpdateBuilder.de.resx b/ServiceFwUpdate/Ui/ServiceFwUpdateBuilder/FrmFwUpdateBuilder.de.resx
index d37011ab..d98bd64d 100644
--- a/ServiceFwUpdate/Ui/ServiceFwUpdateBuilder/FrmFwUpdateBuilder.de.resx
+++ b/ServiceFwUpdate/Ui/ServiceFwUpdateBuilder/FrmFwUpdateBuilder.de.resx
@@ -182,9 +182,6 @@
         wxRrtSJFACqo7AAAAUUUVhvqzsSSVkf/2Q==
 </value>
   </data>
-  <data name="grpLanguageSelection.Text" xml:space="preserve">
-    <value>Sprache</value>
-  </data>
   <data name="radioBtnGermanLanguage.Size" type="System.Drawing.Size, System.Drawing">
     <value>65, 17</value>
   </data>
@@ -197,38 +194,38 @@
   <data name="radioBtnEnglishLanguage.Text" xml:space="preserve">
     <value>Englisch</value>
   </data>
+  <data name="grpLanguageSelection.Text" xml:space="preserve">
+    <value>Sprache</value>
+  </data>
   <data name="lblStatusDbConnect.Text" xml:space="preserve">
     <value>Datenbankverbindung</value>
   </data>
-  <data name="fileToolStripMenuItem.Size" type="System.Drawing.Size, System.Drawing">
-    <value>46, 20</value>
-  </data>
-  <data name="fileToolStripMenuItem.Text" xml:space="preserve">
-    <value>&amp;Datei</value>
-  </data>
   <data name="exitToolStripMenuItem.Size" type="System.Drawing.Size, System.Drawing">
     <value>120, 22</value>
   </data>
   <data name="exitToolStripMenuItem.Text" xml:space="preserve">
     <value>&amp;Beenden</value>
   </data>
+  <data name="fileToolStripMenuItem.Size" type="System.Drawing.Size, System.Drawing">
+    <value>46, 20</value>
+  </data>
+  <data name="fileToolStripMenuItem.Text" xml:space="preserve">
+    <value>&amp;Datei</value>
+  </data>
   <data name="wizardToolStripMenuItem.Size" type="System.Drawing.Size, System.Drawing">
     <value>66, 20</value>
   </data>
   <data name="wizardToolStripMenuItem.Text" xml:space="preserve">
     <value>&amp;Assistent</value>
   </data>
-  <data name="helpToolStripMenuItem.Text" xml:space="preserve">
-    <value>&amp;Hilfe</value>
-  </data>
   <data name="infoToolStripMenuItem.Size" type="System.Drawing.Size, System.Drawing">
     <value>137, 22</value>
   </data>
   <data name="infoToolStripMenuItem.Text" xml:space="preserve">
     <value>&amp;Information</value>
   </data>
-  <data name="tabPageCustomerSelection.Text" xml:space="preserve">
-    <value>Kundenauswahl</value>
+  <data name="helpToolStripMenuItem.Text" xml:space="preserve">
+    <value>&amp;Hilfe</value>
   </data>
   <data name="lblCustomerMaskText.Location" type="System.Drawing.Point, System.Drawing">
     <value>191, 9</value>
@@ -242,8 +239,38 @@
   <data name="btnSearchCustomer.Text" xml:space="preserve">
     <value>Starte Suche</value>
   </data>
-  <data name="tabPageFwPackageSelection.Text" xml:space="preserve">
-    <value>FW-Paketauswahl</value>
+  <data name="tabPageCustomerSelection.Text" xml:space="preserve">
+    <value>Kundenauswahl</value>
+  </data>
+  <data name="lblInfoSelectCustomer.Size" type="System.Drawing.Size, System.Drawing">
+    <value>107, 13</value>
+  </data>
+  <data name="lblInfoSelectCustomer.Text" xml:space="preserve">
+    <value>KUNDENAUSWAHL</value>
+  </data>
+  <data name="btnCordonelSearch.Text" xml:space="preserve">
+    <value>Starte Suche</value>
+  </data>
+  <data name="lblCordonelProductionNumberSearch.Location" type="System.Drawing.Point, System.Drawing">
+    <value>136, 9</value>
+  </data>
+  <data name="lblCordonelProductionNumberSearch.Size" type="System.Drawing.Size, System.Drawing">
+    <value>124, 13</value>
+  </data>
+  <data name="lblCordonelProductionNumberSearch.Text" xml:space="preserve">
+    <value>Produktionsnummer-Pos:</value>
+  </data>
+  <data name="lblCordonelCustomerSerialNumberSearch.Location" type="System.Drawing.Point, System.Drawing">
+    <value>390, 9</value>
+  </data>
+  <data name="lblCordonelCustomerSerialNumberSearch.Size" type="System.Drawing.Size, System.Drawing">
+    <value>112, 13</value>
+  </data>
+  <data name="lblCordonelCustomerSerialNumberSearch.Text" xml:space="preserve">
+    <value>Kundenseriennummer:</value>
+  </data>
+  <data name="tabPageCordonelSelection.Text" xml:space="preserve">
+    <value>Cordonelauswahl</value>
   </data>
   <data name="lblFwPackageSearchFrequency.Location" type="System.Drawing.Point, System.Drawing">
     <value>152, 9</value>
@@ -278,35 +305,8 @@
   <data name="lblFwPackageSearchCore.Text" xml:space="preserve">
     <value>Kern:</value>
   </data>
-  <data name="tabPageCordonelSelection.Text" xml:space="preserve">
-    <value>Cordonelauswahl</value>
-  </data>
-  <data name="lblInfoSelectCustomer.Size" type="System.Drawing.Size, System.Drawing">
-    <value>107, 13</value>
-  </data>
-  <data name="lblInfoSelectCustomer.Text" xml:space="preserve">
-    <value>KUNDENAUSWAHL</value>
-  </data>
-  <data name="btnCordonelSearch.Text" xml:space="preserve">
-    <value>Starte Suche</value>
-  </data>
-  <data name="lblCordonelProductionNumberSearch.Location" type="System.Drawing.Point, System.Drawing">
-    <value>136, 9</value>
-  </data>
-  <data name="lblCordonelProductionNumberSearch.Size" type="System.Drawing.Size, System.Drawing">
-    <value>124, 13</value>
-  </data>
-  <data name="lblCordonelProductionNumberSearch.Text" xml:space="preserve">
-    <value>Produktionsnummer-Pos:</value>
-  </data>
-  <data name="lblCordonelCustomerSerialNumberSearch.Location" type="System.Drawing.Point, System.Drawing">
-    <value>390, 9</value>
-  </data>
-  <data name="lblCordonelCustomerSerialNumberSearch.Size" type="System.Drawing.Size, System.Drawing">
-    <value>112, 13</value>
-  </data>
-  <data name="lblCordonelCustomerSerialNumberSearch.Text" xml:space="preserve">
-    <value>Kundenseriennummer:</value>
+  <data name="tabPageFwPackageSelection.Text" xml:space="preserve">
+    <value>FW-Paketauswahl</value>
   </data>
   <data name="tabPageUpdateOperator.Text" xml:space="preserve">
     <value>Updateoperatorauswahl</value>
@@ -323,9 +323,6 @@
   <data name="tabPageReports.Text" xml:space="preserve">
     <value>FW-Updateberichte</value>
   </data>
-  <data name="tblPanelSafeInfo.Size" type="System.Drawing.Size, System.Drawing">
-    <value>527, 151</value>
-  </data>
   <data name="lblCustomerNameText.Text" xml:space="preserve">
     <value>Kundenname:</value>
   </data>
@@ -356,6 +353,9 @@
   <data name="lblSelectedFwPackagesText.Text" xml:space="preserve">
     <value>Vorausgewählte FW-Pakete:</value>
   </data>
+  <data name="tblPanelSafeInfo.Size" type="System.Drawing.Size, System.Drawing">
+    <value>527, 151</value>
+  </data>
   <data name="pictureBox1.Image" type="System.Drawing.Bitmap, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
     <value>
         /9j/4AAQSkZJRgABAQEAYABgAAD/4QC8RXhpZgAATU0AKgAAAAgABAESAAMAAAABAAEAAAE7AAIAAAAH
@@ -491,6 +491,9 @@
   <data name="tblPanelStandardButtons.Anchor" type="System.Windows.Forms.AnchorStyles, System.Windows.Forms">
     <value>None</value>
   </data>
+  <data name="btnBuildFwUpdateSafe.Text" xml:space="preserve">
+    <value>Safe Erstellen</value>
+  </data>
   <data name="tblPanelStandardButtons.Dock" type="System.Windows.Forms.DockStyle, System.Windows.Forms">
     <value>None</value>
   </data>
@@ -500,9 +503,6 @@
   <data name="tblPanelStandardButtons.Size" type="System.Drawing.Size, System.Drawing">
     <value>214, 59</value>
   </data>
-  <data name="btnBuildFwUpdateSafe.Text" xml:space="preserve">
-    <value>Safe Erstellen</value>
-  </data>
   <data name="cbxAddDebugCordonels.Size" type="System.Drawing.Size, System.Drawing">
     <value>149, 17</value>
   </data>