protected function validateWizardInstall()
    {
        $this->selectLanguage();
        $this->validateRequirementsInstall();
        $this->validateInstallerInstall();

        $this->validatePrompt('store.title', $this->text('Store title'), 'install', 'GPLCart');
        $this->validatePrompt('user.email', $this->text('E-mail'), 'install');
        $this->validatePrompt('user.password', $this->text('Password'), 'install');
        $this->validatePrompt('store.host', $this->text('Host'), 'install', 'localhost');
        $this->validatePrompt('store.basepath', $this->text('Installation subdirectory'), 'install', '');

        $this->validateInputDbInstall();
        $this->validateInputInstall();
    }