diff --git a/source/menu_os.cc b/source/menu_os.cc
index 365f232..46378a9 100644
--- a/source/menu_os.cc
+++ b/source/menu_os.cc
@@ -16,7 +16,6 @@ void Menu_os::set_last_launched_os(string str_last_launched_os) {
 void Menu_os::set_builder(Glib::RefPtr<Gtk::Builder>& builder, string path_glade) {
     this->builder = builder;
     this->path_glade = path_glade;
-    builder->get_widget("popoverMenuOS", popoverMenuOS);
     builder->get_widget("revealerL1", revealerL1);
     builder->get_widget("revealerL2", revealerL2);
     builder->get_widget("boxALLL3", boxALLL3);
diff --git a/source/menu_os.h b/source/menu_os.h
index b4e3801..01e3051 100644
--- a/source/menu_os.h
+++ b/source/menu_os.h
@@ -13,7 +13,6 @@ private:
     Glib::RefPtr<Gtk::Builder> builder;
     vector<tuple<string, vector<string>>> vec_list_os;
     
-    Gtk::Popover *popoverMenuOS;
     Gtk::Revealer *revealerL1;
     Gtk::Revealer *revealerL2;
     Gtk::Button *btnToLev1;
diff --git a/source/ubl-settings-bootloader.cc b/source/ubl-settings-bootloader.cc
index 5d6e6c8..331071d 100644
--- a/source/ubl-settings-bootloader.cc
+++ b/source/ubl-settings-bootloader.cc
@@ -167,6 +167,7 @@ void View_edit_add_table::set_data(bool check, string column1, string column2) {
 }
 
 void View_edit_add_table::show_melody_edit() {
+    gtk_entry_set_input_purpose(GTK_ENTRY(entryCol2->gobj()) ,GTK_INPUT_PURPOSE_FREE_FORM);
     lblAddEditCheckBox->set_text(string(str_active) + ":");
     lblAddEditCol1->set_text(string(str_option) + ":");
     lblAddEditCol2->set_text(string(str_melody_code) + ":");
@@ -177,6 +178,7 @@ void View_edit_add_table::show_melody_edit() {
 }
 
 void View_edit_add_table::show_melody_add() {
+    gtk_entry_set_input_purpose(GTK_ENTRY(entryCol2->gobj()),GTK_INPUT_PURPOSE_FREE_FORM);
     btnSaveEditSave->set_sensitive(false);
     chkAddEdit->set_active(false);
     entryCol1->set_text("");
@@ -191,6 +193,7 @@ void View_edit_add_table::show_melody_add() {
     this->show();
 }
 void View_edit_add_table::show_user_edit() {
+    gtk_entry_set_input_purpose(GTK_ENTRY(entryCol2->gobj()),GTK_INPUT_PURPOSE_PASSWORD);
     lblAddEditCheckBox->set_text(string(str_administrator) + ":");
     lblAddEditCol1->set_text(string(str_user) + ":");
     lblAddEditCol2->set_text(string(str_password) + ":");
@@ -201,6 +204,7 @@ void View_edit_add_table::show_user_edit() {
 }
 
 void View_edit_add_table::show_user_add() {
+    gtk_entry_set_input_purpose(GTK_ENTRY(entryCol2->gobj()),GTK_INPUT_PURPOSE_PASSWORD);
     btnSaveEditSave->set_sensitive(false);
     chkAddEdit->set_active(false);
     entryCol1->set_text("");
diff --git a/ubl-settings-bootloader.glade b/ubl-settings-bootloader.glade
index 885006e..9ffb834 100644
--- a/ubl-settings-bootloader.glade
+++ b/ubl-settings-bootloader.glade
@@ -9,15 +9,6 @@
   </object>
   <object class="GtkSizeGroup"/>
   <object class="GtkSizeGroup"/>
-  <object class="GtkSizeGroup">
-    <property name="mode">both</property>
-    <property name="ignore-hidden">True</property>
-    <widgets>
-      <widget name="chbLoadVariantSelectionTimer"/>
-      <widget name="lblInfoDefaultDonw"/>
-      <widget name="lblDownloadMode"/>
-    </widgets>
-  </object>
   <object class="GtkAboutDialog" id="aboutWindows">
     <property name="can-focus">False</property>
     <property name="resizable">False</property>
@@ -1044,6 +1035,9 @@
                                               <object class="GtkTreeView" id="treeViewKernel">
                                                 <property name="visible">True</property>
                                                 <property name="can-focus">True</property>
+                                                <child internal-child="selection">
+                                                  <object class="GtkTreeSelection"/>
+                                                </child>
                                               </object>
                                             </child>
                                           </object>
@@ -1169,6 +1163,9 @@
                                               <object class="GtkTreeView" id="treeViewIPT">
                                                 <property name="visible">True</property>
                                                 <property name="can-focus">True</property>
+                                                <child internal-child="selection">
+                                                  <object class="GtkTreeSelection"/>
+                                                </child>
                                               </object>
                                             </child>
                                           </object>
@@ -1294,6 +1291,9 @@
                                               <object class="GtkTreeView" id="treeViewOTT">
                                                 <property name="visible">True</property>
                                                 <property name="can-focus">True</property>
+                                                <child internal-child="selection">
+                                                  <object class="GtkTreeSelection"/>
+                                                </child>
                                               </object>
                                             </child>
                                           </object>
@@ -1585,6 +1585,15 @@
       </object>
     </child>
   </object>
+  <object class="GtkSizeGroup">
+    <property name="mode">both</property>
+    <property name="ignore-hidden">True</property>
+    <widgets>
+      <widget name="chbLoadVariantSelectionTimer"/>
+      <widget name="lblInfoDefaultDonw"/>
+      <widget name="lblDownloadMode"/>
+    </widgets>
+  </object>
   <object class="GtkSizeGroup">
     <property name="mode">both</property>
     <property name="ignore-hidden">True</property>