Open '/etc/yum.repos.d/kloxo-mr.repo' and then modified portion of:
# for hiawatha
[kloxo-mr-centosec]
name=Kloxo-MR - CentOS $releasever Packages from CentOS.EC
baseurl=http://centos$releasever.ecualinux.com/$basearch
enabled=1
gpgcheck=0
exclude=cairo*
to:
# for hiawatha
[kloxo-mr-centosec]
name=Kloxo-MR - CentOS $releasever Packages from CentOS.EC
baseurl=http://centos$releasever.ecualinux.com/$basearch
enabled=0
gpgcheck=0
exclude=cairo*
and then run 'yum clean all' before 'yum update'