安装报错

安装报错怎么处理？

Warning: include_once(./common.php) [function.include-once]: failed to open stream: No such file or directory in D:\kaixinfb.com\index.php on line 7

Warning: include_once() [function.include]: Failed opening './common.php' for inclusion (include_path='.;C:\php5\pear') in D:\kaixinfb.com\index.php on line 7

Fatal error: Call to undefined function sreadfile() in D:\kaixinfb.com\index.php on line 44