Error while installing Fed 12 updates

[Sy Borg]

i'm a newbie to Fedora 12. While d/l the updates and installing I got this error. Where do I start?
Thx
PS...I'm weening myself off MS so be gentle.



Error Type: <class 'yum.Errors.RepoError'>
Error Value: Error getting repository data for installed, repository not found
File : /usr/share/PackageKit/helpers/yum/yumBackend.py, line 3125, in <module>
main()
File : /usr/share/PackageKit/helpers/yum/yumBackend.py, line 3122, in main
backend.dispatcher(sys.argv[1:])
File : /usr/lib/python2.6/site-packages/packagekit/backend.py, line 710, in dispatcher
self.dispatch_command(args[0], args[1:])
File : /usr/lib/python2.6/site-packages/packagekit/backend.py, line 657, in dispatch_command
self.update_packages(only_trusted, package_ids)
File : /usr/share/PackageKit/helpers/yum/yumBackend.py, line 1948, in update_packages
signed = self._is_package_repo_signed(pkg)
File : /usr/share/PackageKit/helpers/yum/yumBackend.py, line 1437, in _is_package_repo_signed
repo = self.yumbase.repos.getRepo(pkg.repoid)
File : /usr/lib/python2.6/site-packages/yum/repos.py, line 121, in getRepo
'Error getting repository data for $s, repository not found' $ (repoid)

[ozjd]

As root (type su - in a terminal ) try
yum clean all

then do

yum update

[Sy Borg]

Thx Oz...Looks like this'll take a while.....looks good so far. I''l post results when complete.

---------- Post added at 02:41 PM CST ---------- Previous post was at 02:21 PM CST ----------

That did it!
Thx M8