I have tried this twice, and run yum clean. Any ideas ?? or is it a repository problem ??? baseurl=http://mirror.dulug.duke.edu/pub/yum-repository/redhat/updates/$releasever/ Red Hat Linux release 7.2 (Enigma) Error: MD5 Signature check failed for /var/cache/yum/updates/packages/perl-5.6.1 -36.1.72.i386.rpm You may want to run yum clean or remove the file: /var/cache/yum/updates/packages/perl-5.6.1-36.1.72.i386.rpm Exiting. Regards Lance -- uklinux.net - The ISP of choice for the discerning Linux user.