Alastair McKinley a écrit : > I just tried to run "yum update" this evening and this happened: > > > 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: > 2.4.1 (#2, May 3 2005, 17:14:18) > [GCC 3.2.2 20030222 (Red Hat Linux 3.2.2-5)] I had this kind of problem every time I interrupted a yum process (using Ctrl-C repeatedly till it stopped). So try : ps aux| grep yum then kill the process (if it exists!) But I could be wrong. -- François Patte UFR de mathématiques et informatique Université Paris 5 - Paris http://www.math-info.univ-paris5.fr/~patte