Crash fix

source/ubinstall-gtk-users.c

@@ -34,7 +34,7 @@ int yon_users_save(main_window *widgets){
                 }
             }
         }
-        yon_config_remove_by_args(DEFAULTUSER_parameter);
+        yon_config_remove_by_args(DEFAULTUSER_parameter,NULL);
 
     }
     if (!main_config.configure_mode){
@@ -195,8 +195,13 @@ void yon_user_init(main_window *widgets){
         g_object_set_data(G_OBJECT(user->MainBox),"widgets",widgets);
         gtk_box_pack_start(GTK_BOX(widgets->UserAddBox),user->MainBox,0,0,0);
         gtk_entry_set_text(GTK_ENTRY(user->UsernameEntry),ADMINISTRATOR_LABEL);
-        gtk_entry_set_text(GTK_ENTRY(user->LoginEntry),default_user);
-        gtk_entry_set_text(GTK_ENTRY(user->PasswordEntry),default_passwd);
+        if (!yon_char_is_empty(default_user))
+            gtk_entry_set_text(GTK_ENTRY(user->LoginEntry),default_user);
+        else {
+            gtk_entry_set_text(GTK_ENTRY(user->LoginEntry),ADMINISTRATOR_LABEL);
+        }
+        if (!yon_char_is_empty(default_passwd))
+            gtk_entry_set_text(GTK_ENTRY(user->PasswordEntry),default_passwd);
         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(user->AdminCheck),1);
     }
     for (int i=0;i<users_size;i++){