Please help? I'm using FC4 and am not really a beginner to linux but i'm not advanced either. I was installing some educational packages for my wife and son and something i installed messed me up. I attempted to replace my yum files, tried to remove yum with both smart and apt-get but they're not working now either. I can't install any rpm packages now either. This is the error message i get when i try to run yum. Thanks, Billy [root@localhost ~]# yum update There was a problem importing one of the Python modules required to run yum. The error leading to this problem was: /usr/lib/python2.4/site-packages/cElementTree.so: undefined symbol: PyUnicodeUCS4_DecodeUTF8 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 (#2, Feb 12 2005, 00:29:46) [GCC 3.4.3 (Mandrakelinux 10.2 3.4.3-3mdk)] If you cannot solve this problem yourself, please send this message to <yum@xxxxxxxxxxxxxxxxxxxx>. [root@localhost ~]#