Warning: require_once(PEAR/Registry.php): failed to open stream: No such file or directory in D:\PHP\5.3\PEAR\Config.php on line 22

Fatal error: require_once(): Failed opening required 'PEAR/Registry.php' (include_path='.;D:\PHP\5.3\pear') in D:\PHP\5.3\PEAR\Config.php on line 22