Warning: require_once(../about/show.php) [function.require-once]: failed to open stream: No such file or directory in D:\wwwroot\guangke\wwwroot\au\show.php on line 4

Fatal error: require_once() [function.require]: Failed opening required '../about/show.php' (include_path='.;C:\php\pear') in D:\wwwroot\guangke\wwwroot\au\show.php on line 4