public function initialize() {
		Configure::write('Cache.disable', true);
		$this->_initUiLang();
		parent::initialize();

		$this->InstallerCompleted = ClassRegistry::init('InstallerCompleted', true);
		if ($this->InstallerCompleted === false) {
			$this->InstallerCompleted = ClassRegistry::init('CakeInstaller.InstallerCompleted');
		}

		$this->progress = $this->helper('Progress');
		$this->state = $this->helper('CakeInstaller.State');
		$this->waiting = $this->helper('CakeInstaller.Waiting');
	}