Delete htdocs/mainfile.php, htdocs/install/, htdocs/cache/, htdocs/template_c/, htdocs/themes/, htdocs/uploads/, and htdocs/modules/system from the "htdocs" folder on your LOCAL computer
* if you have created XOOPS_TRUST_PATH folder on your server, copy the content of /xoops_lib to that directory, and delete /xoops_lib from the "htdocs" folder on your LOCAL computer