The file /usr/local/cwpsrv/htdocs/admin/index.php is corrupted.

I have recently upgraded my centos webpanel installation. After upgrade it was working fine, but after one day when I am trying to access admin it is throwing error

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The file /usr/local/cwpsrv/htdocs/admin/index.php is corrupted.
http://ourgoogle.in:2030/

And when I am trying to do

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sh /scripts/update_cwp
It is throwing this error:

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PHP Fatal error: 
The encoded file /usr/local/cwpsrv/htdocs/resources/admin/include/cron.php has expired.
 in Unknown on line 0

Hi, I have same issue, Any body help ?

solution
http://forum.centos-webpanel.com/index.php?topic=8785.msg30608#msg30608