For displaying widget title in backend, change code in admin_template_main.php, line 65
Before:
echo !empty($wp_registered_widgets[$widget_id]['name']) ? $wp_registered_widgets[$widget_id]['name'] : $wp_registered_widgets[$widget_id]['id'];
After:
$stire = !empty($wp_registered_widgets[$widget_id]['title']) ? $wp_registered_widgets[$widget_id]['title'] : $wp_registered_widgets[$widget_id]['id'];
$rezz = str_replace('text-', '', $stire);
echo $texts[$rezz]['title'];
It’s work on WP 3.4.2