Package: libdvdcss2-1.2.13-7.fc19.x86_64 (@atrpms) Requires: /usr/sbin/ldconfig Removing: glibc-2.17-11.fc19.i686 (@updates) Not found

Package: libdvdcss2-1.2.13-7.fc19.x86_64 (@atrpms) Requires: /usr/sbin/ldconfig Removing: glibc-2.17-11.fc19.i686 (@updates) Not found Solved Did "sudo yum remove libdvdcss2" and sudo yum update, and that updated the 'glibc' OK. I found libdvdcss2 as an .rpm here so I just went and installed that and all seems fine now.