I try to install a fresh install and get the same error...
==== my install info
directspace.net - OpenVZ - RAM 1gb - HD 30gb
centos 6.4 64bit
root login
cd /root
yum update
yum install yum-utils yum-priorities vim-minimal subversion curl zip unzip
yum install telnet
setenforce 0
echo 'SELINUX=disabled' > /etc/selinux/config
cd /etc/yum.repos.d/
wget https://github.com/mustafaramadhan/klox ... xo-mr.repo --no-check-certificate
cd /root
yum install kloxomr
#ATTN: Run 'sh /usr/local/lxlabs/kloxo/install/setup.sh' completely setup
sh /usr/local/lxlabs/kloxo/install/setup.sh++++++
Installing packages tnef which gcc cpp gcc-c++ zip unzip curl autoconf automake
libtool openssl pure-ftpd yum-protectbase yum-plugin-replace crontabs net-snmp t
mpwatch rkhunter quota httpd mod_ssl mod_ruid2 mysql mysql-server lxphp lxlightt
pd php-mbstring php-mysql php-pdo php-imap php-pear php-gd php-pspell kloxomr-we
bmail-*.noarch kloxomr-addon-*.noarch kloxomr-thirdparty-*.noarch kloxomr-lang-*
...
.........
--> Processing Dependency: libcurl.so.3()(64bit) for package: php52-cli-5.2.17-6
.ius.el5.x86_64
--> Processing Conflict: php-mysql-5.3.23-1.el6.x86_64 conflicts php-mysqlnd
--> Finished Dependency Resolution
Error: Package: php52-5.2.17-6.ius.el5.x86_64 (kloxo-mr-ius-c5)
Requires: libcurl.so.3()(64bit)
Error: Package: php52-cli-5.2.17-6.ius.el5.x86_64 (kloxo-mr-ius-c5)
Requires: libcurl.so.3()(64bit)
Error: php-mysql conflicts with php54-mysqlnd-5.4.13-1.ius.el6.x86_64
You could try using --skip-broken to work around the problem
** Found 1 pre-existing rpmdb problem(s), 'yum check' output follows:
cronie-1.4.4-7.el6.x86_64 has missing requires of /usr/sbin/sendmail
YUM Gave Error... Trying Again...
++++
I hope you have some use for this info