after i save the config file, i get an error saying

Installing packages

zimbra-core......zimbra-core-3.0.M1_21.RHEL4-20050920162541_.i386.rpm...FAILED
###ERROR###

zimbra-core-3.0.M1_21.RHEL4-20050920162541_.i386.rpm installation failed

Installation cancelled

any clue as to what this could mean, sorry but im new to the whole linux world, but i love it