Warning: require_once(/PortableApps/Yii/framework/yii.php) [function.require-once]: failed to open stream: No such file or directory in C:\xampp\htdocs\index.php on line 14

Fatal error: require_once() [function.require]: Failed opening required '/PortableApps/Yii/framework/yii.php' (include_path='.;\xampp\php\PEAR') in C:\xampp\htdocs\index.php on line 14