mysql自动停止

这两天才开始的，开了服务，不进行数据操作是正常的，但是备份，运行程序操作数据库时，就会自动关闭服务了。
重装了，也一样，我是用 xampp 套件的。
之前也没这种情况，我的数据有 几十万达百万条的。

win XP + Apache + php5 + mysql5 ....

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先检查一下日志中的信息。

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这是我在 mysql.err 里找出来的。请帮忙检查，谢谢

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InnoDB: stored checksum 3075374560, prior-to-4.0.14-form stored checksum 1158438285
InnoDB: Page lsn 4142669612 3360602035, low 4 bytes of lsn at page end 3586200832
InnoDB: Page number (if stored to page already) 4118889177,
InnoDB: space id (if created with >= MySQL-4.1.1 and stored already) 650564504
InnoDB: Database page corruption on disk or a failed
InnoDB: file read of page 2179.
InnoDB: You may have to recover from a backup.
InnoDB: It is also possible that your operating
InnoDB: system has corrupted its own file cache
InnoDB: and rebooting your computer removes the
InnoDB: error.
InnoDB: If the corrupt page is an index page
InnoDB: you can also try to fix the corruption
InnoDB: by dumping, dropping, and reimporting
InnoDB: the corrupt table. You can use CHECK
InnoDB: TABLE to scan your table for corruption.
InnoDB: See also http://dev.mysql.com/doc/refman/5.1/en/forcing-recovery.html
InnoDB: about forcing recovery.
InnoDB: Ending processing because of a corrupt