installed languages)
</li>
<li><strong>/modules/installed_modules.php</strong> (contains information about
-installed modules<strong></strong>)
- </li>
+installed modules<strong></strong>)</li><li>installed_extensions.php (contains information about installed extensions to the menu system)</li>
<li>if you have made <em>changes to other files</em>, like themes or so, backup
these files too. </li>
</ol>