Warning: require_once(config.php) [function.require-once]: failed to open stream: No such file or directory in D:\wwwroot\tianxiayouwan\wwwroot\top.php on line 3

Fatal error: require_once() [function.require]: Failed opening required 'config.php' (include_path='.;C:\php\pear') in D:\wwwroot\tianxiayouwan\wwwroot\top.php on line 3