Installable is Unable To Run Zimbra Services

[syamala]

Hi Friends,
Iam syamala.Iam new number to this forums.I build zcs4.0(latest) successfully and i got the installable file.While running installable iam not able to get zimbra login screen on my browser.I checked zimbra services are running are not with zmcontrol status.No services are running.
While doing zmcontrol start,the following is the screenshot.Please help me how to resolve this issue.

[zimbra@new-host zcs]$ zmcontrol start
Host new-host.sme
Starting logger...Done.
Starting mailbox...FAILED
Error: assertion '-r /opt/zimbra/conf/my.cnf' failed


Starting antispam...Done.
Starting antivirus...Done.
Starting snmp...Done.
Starting spell...FAILED
Syntax error on line 232 of /opt/zimbra/conf/httpd.conf:
Cannot load /opt/zimbra/httpd-2.0.54/modules/libphp5.so into server: /opt/zimbra/httpd-2.0.54/modules/libphp5.so: cannot open shared object file: No such file or directory

Starting mta...Password:
FAILED
/opt/zimbra/bin/postfix: line 59: /opt/zimbra/postfix-2.2.9/sbin/postmap: No such file or directory
sudo: /opt/zimbra/postfix-2.2.9/sbin/postalias: command not found
sudo: /opt/zimbra/postfix-2.2.9/sbin/postfix: command not found
postfix failed to start
saslauthd[23301] :set_auth_mech : failed to initialize mechanism zimbra
zmsaslauthdctl failed to start

Regards--
Syamala