diff --git a/source/ubinstall-gtk.c b/source/ubinstall-gtk.c
index a14a8ef..d838057 100644
--- a/source/ubinstall-gtk.c
+++ b/source/ubinstall-gtk.c
@@ -615,6 +615,7 @@ gboolean on_yon_exit(GtkWidget *,GdkEvent*, main_window *widgets){
         data->action_text=INTERRUPT_TEXT_LABEL;
         data->title=WARNING_TITLE_LABEL;
         if (yon_confirmation_dialog_call(widgets->MainWindow,data)==GTK_RESPONSE_ACCEPT ){
+        yon_window_config_save_instant();
             on_exit_accepted(widgets);
             gtk_main_quit();
             return 1;
@@ -1219,18 +1220,11 @@ void yon_main_window_create(main_window *widgets){
         yon_char_parsed_free(slides,size);
     }
     gtk_builder_connect_signals(builder,NULL);
-    // yon_load_proceed(YON_CONFIG_LOCAL);
-    // yon_interface_update(widgets);
     if (!yon_char_is_empty(config(AUTOINSTALL_TYPE_INSTALL))){
         gtk_widget_show(widgets->StartScenarioButton);
     } else {
         gtk_widget_hide(widgets->StartScenarioButton);
     }
-    // char *locale = config(installer_lang_parameter);
-    // if (!yon_char_is_empty(locale)){
-    //     locale = setlocale(LC_ALL,NULL);
-    // } 
-    // yon_ubl_window_init(TITLE_LABEL,DESCRIPTION_LABEL,locale,CssPath,LocaleName,version_application,WIKI_LINK);
     if (main_config.force_ini){
         main_config.configure_mode=1;
         g_signal_handlers_block_by_func(G_OBJECT(widgets->ConfigurationModeMenuItem),G_CALLBACK(on_configuration_mode_switch),widgets);
@@ -1242,20 +1236,6 @@ void yon_main_window_create(main_window *widgets){
     }
     yon_locale_init();
     set_locales_list(widgets);
-    // {
-    //     char *parameter = config(installer_lang_parameter);
-    //     if (yon_char_is_empty(parameter)){
-    //         parameter=setlocale(LC_ALL,NULL);
-    //     }
-    //     GList *list = gtk_container_get_children(GTK_CONTAINER(widgets->LanguagesBox));
-    //     GList *iter;
-    //     for (iter = list;iter;iter=iter->next){
-    //         char *lang = g_object_get_data(G_OBJECT(iter->data),"language");
-    //         if (!strcmp(lang,parameter)){
-    //             gtk_flow_box_select_child(GTK_FLOW_BOX(widgets->LanguagesBox),GTK_FLOW_BOX_CHILD(iter->data));
-    //         }
-    //     }
-    // }
 }
 
 /**yon_main_window_complete(main_window *widgets) 
@@ -1268,6 +1248,8 @@ main_window *yon_main_window_complete(){
     main_window *widgets=NULL;
     widgets = yon_remalloc(widgets,sizeof(main_window)); 
     yon_main_window_create(widgets);
+    yon_window_config_setup(GTK_WINDOW(widgets->MainWindow));
+    // yon_window_config_custom_window_setup(GTK_WINDOW(widgets->MainWindow),"MainWindow");
     return widgets;
 }
 
@@ -1301,12 +1283,17 @@ int main(int argc, char *argv[]){
     }
     gtk_init(&argc,&argv);
     main_window *widgets = NULL;
+    if (widgets){}; 
+    int fullscreen = 0;
     widgets = yon_main_window_complete();
     on_config_global_load(NULL,widgets);
-    if (widgets){}; 
     char *path = yon_char_unite(yon_ubl_user_get_home_directory(),"/.config/",LocaleName,"/",LocaleName,".conf",NULL);
-    yon_window_config_setup(GTK_WINDOW(widgets->MainWindow));
+    if (access(path,F_OK)){
+        fullscreen = 1;
+        gtk_window_maximize(GTK_WINDOW(widgets->MainWindow));
+    }
     yon_window_config_load(path);
+    yon_window_config_add_instant_parameter("fullscreen","window",&fullscreen,YON_TYPE_BOOLEAN);
     main_config.launch_arguments=yon_char_parsed_copy(argv,argc);
     main_config.launch_size=argc;
     GtkCssProvider *css=gtk_css_provider_new();
diff --git a/source/ubinstall-gtk.h b/source/ubinstall-gtk.h
index f79b928..f1d74d1 100755
--- a/source/ubinstall-gtk.h
+++ b/source/ubinstall-gtk.h
@@ -1208,4 +1208,5 @@ gboolean on_format_changed(GtkWidget *self,  gboolean state,  advanced_partition
 int yon_layouts_get();
 void on_link(GtkWidget *self, char* uri, gpointer );
 void on_source_changed(GtkComboBox *self);
-void yon_focus_set(GtkWidget *,GtkWidget *target);
\ No newline at end of file
+void yon_focus_set(GtkWidget *,GtkWidget *target);
+void on_main_window_close(GtkWidget*, main_window *);
\ No newline at end of file
diff --git a/ubinstall-gtk.glade b/ubinstall-gtk.glade
index 201d8e3..53a7dd8 100644
--- a/ubinstall-gtk.glade
+++ b/ubinstall-gtk.glade
@@ -766,6 +766,7 @@ agreement</property>
                     <property name="margin-top">5</property>
                     <property name="margin-bottom">5</property>
                     <property name="tab-pos">left</property>
+                    <property name="show-tabs">False</property>
                     <child>
                       <object class="GtkBox">
                         <property name="visible">True</property>