Hello, There currently is a "known problem" regarding libparted and building an Anaconda installation CD on FC6 (see also https://www.redhat.com/archives/fedora-livecd-list/2006-December/msg00001.html ) I would have expected this problem to be solved with an (official) update to FC6 somehow, but this is not the case yet (I just updated to the latest official FC6 updates and I still get the problem). Any idea on how to get this fixed correctly so i can build ISOs again on a "normal" FC6 installation? Best regards, Jeroen Janssen