hi Zombie.
Warning [PHP]: session_start(): Cannot send session cookie - headers already sent by (output started at C:\business\XOOPS\language\tchinese\global.php:1) in file C:\business\XOOPS\include\common.php line 178
Warning [PHP]: session_start(): Cannot send session cache limiter - headers already sent (output started at C:\business\XOOPS\language\tchinese\global.php:1) in file C:\business\XOOPS\include\common.php line 178
Warning [PHP]: Cannot modify header information - headers already sent by (output started at C:\business\XOOPS\language\tchinese\global.php:1) in file C:\business\XOOPS\include\common.php line 257
Warning [PHP]: Cannot modify header information - headers already sent by (output started at C:\business\XOOPS\language\tchinese\global.php:1) in file C:\business\XOOPS\index.php line 39
It makes it quite clear.
When you modify language/tchinese/global.php manually, you added a blank line.
Try to restore original global.php first.