Entered keyword "numlock" into the search bar in the Add/Remove Software application. Hit return to begin search, and the following error appeared: command 'search-name newest numlock' is not known
The message also said to report his error to bugs.freedesktop.org.
What version PackageKit? Does this still happen?
*** Bug 18135 has been marked as a duplicate of this bug. ***
gnome-packagekit-0.3.14-1.fc10.i386 is OK... Probably we can close this one safely?