plesk stoped Centos 5.4

[carlos HS]

conf]# /etc/init.d/psa restart
PSA is down, performing full restart.
Starting xinetd service... done
Starting named service... done
Starting mysqld service... done
Starting postgresql service... done
Starting psa-spamassassin service... not installed
Plesk: Starting Mail Server... already started
Starting mail handlers tmpfs storage
Starting Plesk... failed
Starting drwebd service... failed

yesterday some changes were made on the server, about php mcrypt
today there is this problem.
Any help will be appreciate
thanx