diff --git a/source/ubinstall-gtk.c b/source/ubinstall-gtk.c
index 15168cc..9374685 100644
--- a/source/ubinstall-gtk.c
+++ b/source/ubinstall-gtk.c
@@ -422,8 +422,6 @@ void on_page_changed(GtkWidget *,GtkWidget *,int page, main_window *widgets){
             gtk_widget_set_sensitive(widgets->BackButton,0);
             if (main_config.config_save_thread)
                 g_thread_join(main_config.config_save_thread);
-            // if (!main_config.install_thread&&!main_config.install_complete)
-            //     main_config.install_thread = g_thread_new("InstallThread",(GThreadFunc)yon_installation_start,widgets);
             if (!main_config.progress_thread)
                 main_config.progress_thread = gdk_threads_add_timeout(500,(GSourceFunc)yon_installation_progress_update,widgets);
             
diff --git a/source/ubl-strings.h b/source/ubl-strings.h
index e8cd942..84a4a37 100644
--- a/source/ubl-strings.h
+++ b/source/ubl-strings.h
@@ -115,4 +115,8 @@
 #define DOCUMENTATION_CHECK_LABEL _("Always redirect to online documentation")
 #define OPEN_DOCUMENTATION_LABEL _("Open documentation")
 
-#define INSTALLATION_ERROR _("Installation error")
\ No newline at end of file
+#define INSTALLATION_ERROR _("Installation error")
+#define ATTENTION_NEXT_LABEL _("Attention! The UBLinux OS will be installed on the selected partition with OS already installed. All user data will be saved.")
+
+#define ERROR_HEAD_LABEL _("Error")
+#define ERROR_LABEL _("Error has occured while installation process")
\ No newline at end of file
diff --git a/ubinstall-gtk.pot b/ubinstall-gtk.pot
index bdbfe9d..ee1a341 100644
--- a/ubinstall-gtk.pot
+++ b/ubinstall-gtk.pot
@@ -462,6 +462,22 @@ msgstr ""
 msgid "Open documentation"
 msgstr ""
 
+#: source/ubl-strings.h:102
+msgid "Installation error"
+msgstr ""
+
+#: source/ubl-strings.h:102
+msgid "Attention! The UBLinux OS will be installed on the selected partition with OS already installed. All user data will be saved."
+msgstr ""
+
+#: source/ubl-strings.h:102
+msgid "Error"
+msgstr ""
+
+#: source/ubl-strings.h:102
+msgid "Error has occured while installation process"
+msgstr ""
+
 msgid "Afrikaans"
 msgstr ""
 
diff --git a/ubinstall-gtk_ru.po b/ubinstall-gtk_ru.po
index bf87102..0684f71 100644
--- a/ubinstall-gtk_ru.po
+++ b/ubinstall-gtk_ru.po
@@ -479,6 +479,22 @@ msgstr "Всегда перенаправлять"
 msgid "Open documentation"
 msgstr "Открыть документацию"
 
+#: source/ubl-strings.h:102
+msgid "Installation error"
+msgstr "Ошибка установки"
+
+#: source/ubl-strings.h:102
+msgid "Attention! The UBLinux OS will be installed on the selected partition with OS already installed. All user data will be saved."
+msgstr "Внимание! ОС UBLinux будет установлена в выбранный раздел. Если не менять тип ФС и не форматировать, все данные на разделе будут сохранены"
+
+#: source/ubl-strings.h:102
+msgid "Error"
+msgstr "Ошибка"
+
+#: source/ubl-strings.h:102
+msgid "Error has occured while installation process"
+msgstr "Во время процесса установки произошла ошибка"
+
 msgid "Afrikaans"
 msgstr "Африканский"