thanks very very much, my fedora is restored now. You are so nice. <div class="gmail_quote">On Thu, Aug 13, 2009 at 22:03, Kevin Kofler <<a href="mailto:kevin.kofler@chello.at">kevin.kofler@chello.at</a>> wrote: <blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><div class="im">黄剑 wrote: > help me, please.... i am confused by this for days. Thing is this, i am > a non-devel user of fedora 11, </div>Then you're on the wrong list, try fedora-list or fedora-test-list. But to answer your actual question: don't use rpm -i (or -ivh) to downgrade fedora-release, use rpm -Uvh --oldpackage. Kevin Kofler -- fedora-devel-list mailing list <a href="mailto:fedora-devel-list@redhat.com">fedora-devel-list@redhat.com</a> <a href="https://www.redhat.com/mailman/listinfo/fedora-devel-list" target="_blank">https://www.redhat.com/mailman/listinfo/fedora-devel-list</a> </blockquote></div>