This problem might be due to a typo in a critical line...
After installing *everything* from the F12-Alpha x86_64 DVD on a ThinkPad W700, then running one 1006-package 'yum -y update', I get a consistent error on all subsequent update attempts:
One klugey but effective way I've found to eliminate this error is to rename /etc/yum.repos.d/Fedora-install-media.repo to .save.
--Doc Savage Fairview Heights, IL
2009/9/13 Robert G. (Doc) Savage dsavage@peaknet.net
One klugey but effective way I've found to eliminate this error is to rename /etc/yum.repos.d/Fedora-install-media.repo to .save.
File a bug against PackageKit in bugzilla, but first make sure you've updated PackageKit and gnome-packagekit, and rebooted.