hopefully someone can help, i tried to run the update to 5.0.14 today but it will not install it just says i already have 5.0.12 installed ??

i removed all the packages and then stopped all the services... i tried to do the install which caused the below..
what have i done wrong. i downloaded the update this morning from the update portal 5.0.14-2.noarch.rpm
im installing on centos 6 with all the latest updates applied and rebooted...
any help would be greatly appreciated
thanks
jay