diff --git a/source/ubl-settings-bootloader.cc b/source/ubl-settings-bootloader.cc
index d5d5e4b..ce059ed 100644
--- a/source/ubl-settings-bootloader.cc
+++ b/source/ubl-settings-bootloader.cc
@@ -253,7 +253,7 @@ void MainWindow::settings() {
     btnBoxAboutDialog->set_visible(false);
     ubl_make_plugs(boxSave,boxButton, socket_ext_id_I, socket_trd_id_I);
     this->flag_block_gui();
-    if (this->check_root() == 0) {
+    if (this->check_root() == 1) {
         spbSecond->set_range(1, 60);
         spbSecond->set_increments(1.0, 1.0);
         spbSecond->set_value(1);
@@ -836,7 +836,7 @@ void MainWindow::event() {
     entryKernel->signal_changed().connect(sigc::mem_fun(*this, &MainWindow::focus_out_txt_kernel));
     entryIPT->signal_changed().connect(sigc::mem_fun(*this, &MainWindow::focus_out_txt_IPT));
     entryOTT->signal_changed().connect(sigc::mem_fun(*this, &MainWindow::focus_out_txt_OTT));
-    if (this->check_root() == 0) {
+    if (this->check_root() == 1) {
         Glib::RefPtr<Gtk::TreeModel> treeViewKernelModel = treeViewKernel->get_model();
         treeViewKernelModel->signal_row_changed().connect(sigc::mem_fun(*this, &MainWindow::item_selected_kernel));
         Glib::RefPtr<Gtk::TreeModel> treeViewIPTModel = treeViewIPT->get_model();
@@ -1123,6 +1123,7 @@ void MainWindow::wrapper_add_data_melody() {
 }
 
 void MainWindow::remove_user() {
+    iter_user_del = this->treeViewUser->get_selection()->get_selected();
     if (flag_validate_del_user && list_store_user->iter_is_valid(iter_user_del)) {
         Gtk::TreeModel::Row row = *iter_user_del;
         if(row) {
@@ -1131,25 +1132,24 @@ void MainWindow::remove_user() {
             map_cmd_selection[key] = "";
         }
         list_store_user->erase(iter_user_del);
-        flag_validate_del_user = false;
+        flag_validate_del_user = true;
         info_status_app(info_box_ok_css);
         imgInfo->set_from_icon_name(icon_checked, Gtk::ICON_SIZE_MENU);
         lblWarning->set_text(str_del_user);
     }
-    flag_validate_del_user = false;
+    flag_validate_del_user = true;
 }
 
 void MainWindow::remove_melody() {
-    iter_user_del = this->treeViewUser->get_selection()->get_selected();
     iter_melody_del = this->treeViewMelody->get_selection()->get_selected();
     if (flag_validate_del_melody && list_store_melody->iter_is_valid(iter_melody_del)) {
         list_store_melody->erase(iter_melody_del);
-        flag_validate_del_melody = false;
+        flag_validate_del_melody = true;
         info_status_app(info_box_ok_css);
         imgInfo->set_from_icon_name(icon_checked, Gtk::ICON_SIZE_MENU);
         lblWarning->set_text(str_del_melody);
     }  
-    flag_validate_del_melody = false; 
+    flag_validate_del_melody = true; 
 }
 
 void MainWindow::select_line_user(const Gtk::TreeModel::Path&, const Gtk::TreeModel::iterator& iter) {