pt-BR language update got an error - Joomla! Forum - community, help and support

using xampp 1.7.7 joomla 2.5.6 showed update langpack pt-br (latest version)... , when applied, site got error:

warning: jlanguage::parsexmllanguagefile() [jlanguage.parsexmllanguagefile]: node no longer exists in e:\xampp\htdocs\joomla256\libraries\joomla\language\language.php on line 1415

please help, i'm not finding right way out.

i suggest uninstall portuguese brazil pt-br language pack (extensions manager->manage->filter package)
then download , reinstall clean pack through extensions manager install:
http://joomlacode.org/gf/project/jtrans ... ge_id=5686