Cron Daemon : where is the task ?

[khampolV]

Hello,

I have received this since 1 week and i go and look and look inside for planned task to deactivate it but i see nothing and everyday my cloud server send me this :

/etc/cron.daily/logrotate:

error: error accessing /var/log/exim: No such file or directory
error: exim:3 glob failed for /var/log/exim/*log
error: found error in /var/log/exim/*log , skipping
error: stat of /var/log/maillog failed: No such file or directory
/etc/cron.daily/prelink:

/etc/cron.daily/prelink: line 45: /var/log/prelink/prelink.log: No such file or directory
/etc/cron.daily/prelink: line 46: /var/log/prelink/prelink.log: No such file or directory
/etc/cron.daily/prelink: line 47: /var/log/prelink/prelink.log: No such file or directory

help....