I've manually performed the following commands about 5 times # yum clean # yum update and I still get the error: Error: MD5 Signature check failed for /var/cache/yum/server/packages/kernel-source-2.4.20-20.7.i386.rpm You may want to run yum clean or remove the file: /var/cache/yum/server/packages/kernel-source-2.4.20-20.7.i386.rpm Exiting. Could there be a problem with the repository George S. Hugh 273 Hudson Annex (919)660-5167 hughgs@xxxxxxxx > Yep, remove that file and let it re-download it - you probably got a > corrupt download. > -sv