Hi all, I was trying to upgrade fc4 from fc3 through yum this is what I did: 1. I downloaded fedora-release package from fedora site 2. rpm -Uvh fedora-release-4-2.noarch.rpm 3. yum update And I rebooted my pc I tried 'yum update' again, I noticed something dependency or obselete message kernel-utils I removed all kernel*-fc3 packages and kernel-utils too I installed hardlink-fc4 and then after problem began whenevr I run yum or 'yum update', I get: ====================== There was a problem importing one of the Python modules required to run yum. The error leading to this problem was: No module named rpm Please install a package which provides this module, or verify that the module is installed correctly. It's possible that the above module doesn't match the current version of Python, which is: 2.4.1 (#1, May 16 2005, 15:19:29) [GCC 4.0.0 20050512 (Red Hat 4.0.0-5)] If you cannot solve this problem yourself, please go to the yum faq at: http://wiki.linux.duke.edu/YumFaq ======================== Please help me to fix this issue, -- You don't have any choice, you already made it before you came here.