Hi, I ran an update on my 6.2 x64 system and it failed. Thinking it might help, I ran "yum update" from CLI, but I'm getting the following errors: --------------------------------------------------- # yum update Plugin "refresh-packagekit" can't be imported Loaded plugins: priorities, protectbase, remove-with-leaves, security Traceback (most recent call last): File "/usr/bin/yum", line 29, in <module> yummain.user_main(sys.argv[1:], exit_code=True) File "/usr/share/yum-cli/yummain.py", line 276, in user_main errcode = main(args) File "/usr/share/yum-cli/yummain.py", line 129, in main result, resultmsgs = base.doCommands() File "/usr/share/yum-cli/cli.py", line 434, in doCommands self._getTs(needTsRemove) File "/usr/lib/python2.6/site-packages/yum/depsolve.py", line 99, in _getTs self._getTsInfo(remove_only) File "/usr/lib/python2.6/site-packages/yum/depsolve.py", line 110, in _getTsInfo pkgSack = self.pkgSack File "/usr/lib/python2.6/site-packages/yum/__init__.py", line 883, in <lambda> pkgSack = property(fget=lambda self: self._getSacks(), File "/usr/lib/python2.6/site-packages/yum/__init__.py", line 668, in _getSacks self.repos.populateSack(which=repos) File "/usr/lib/python2.6/site-packages/yum/repos.py", line 294, in populateSack sack.populate(repo, mdtype, callback, cacheonly) File "/usr/lib/python2.6/site-packages/yum/yumRepo.py", line 164, in populate if self._check_db_version(repo, mydbtype): File "/usr/lib/python2.6/site-packages/yum/yumRepo.py", line 222, in _check_db_version return repo._check_db_version(mdtype) File "/usr/lib/python2.6/site-packages/yum/yumRepo.py", line 1263, in _check_db_version repoXML = self.repoXML File "/usr/lib/python2.6/site-packages/yum/yumRepo.py", line 1462, in <lambda> repoXML = property(fget=lambda self: self._getRepoXML(), File "/usr/lib/python2.6/site-packages/yum/yumRepo.py", line 1454, in _getRepoXML self._loadRepoXML(text=self) File "/usr/lib/python2.6/site-packages/yum/yumRepo.py", line 1444, in _loadRepoXML return self._groupLoadRepoXML(text, self._mdpolicy2mdtypes()) File "/usr/lib/python2.6/site-packages/yum/yumRepo.py", line 1419, in _groupLoadRepoXML if self._commonLoadRepoXML(text): File "/usr/lib/python2.6/site-packages/yum/yumRepo.py", line 1237, in _commonLoadRepoXML result = self._getFileRepoXML(local, text) File "/usr/lib/python2.6/site-packages/yum/yumRepo.py", line 1015, in _getFileRepoXML size=102400) # setting max size as 100K File "/usr/lib/python2.6/site-packages/yum/yumRepo.py", line 837, in _getFile size=size File "/usr/lib/python2.6/site-packages/urlgrabber/mirror.py", line 408, in urlgrab return self._mirror_try(func, url, kw) File "/usr/lib/python2.6/site-packages/urlgrabber/mirror.py", line 394, in _mirror_try return func_ref( *(fullurl,), **kwargs ) File "/usr/lib/python2.6/site-packages/urlgrabber/grabber.py", line 985, in urlgrab return self._retry(opts, retryfunc, url, filename) File "/usr/lib/python2.6/site-packages/urlgrabber/grabber.py", line 886, in _retry r = apply(func, (opts,) + args, {}) File "/usr/lib/python2.6/site-packages/urlgrabber/grabber.py", line 980, in retryfunc apply(cb_func, (obj, )+cb_args, cb_kwargs) File "/usr/lib/python2.6/site-packages/yum/yumRepo.py", line 1501, in _checkRepoXML repoXML = repoMDObject.RepoMD(self.id, filepath) File "/usr/lib/python2.6/site-packages/yum/repoMDObject.py", line 124, in __init__ self.parse(srcfile) File "/usr/lib/python2.6/site-packages/yum/repoMDObject.py", line 140, in parse parser = iterparse(infile) File "/usr/lib/python2.6/site-packages/yum/misc.py", line 1169, in cElementTree_iterparse _cElementTree_import() File "/usr/lib/python2.6/site-packages/yum/misc.py", line 1164, in _cElementTree_import import cElementTree ImportError: No module named cElementTree --------------------------------------------------- "yum clean all" doesn't help. Rebuilding the db doesn't help either. I thought the problem could have been yum itself using python, so I checked which packages have been updated, then downloaded and installed them manually: x86_64 python-2.6.6-29.el6_2.2.x86_64.rpm python-debuginfo-2.6.6-29.el6_2.2.x86_64.rpm python-devel-2.6.6-29.el6_2.2.x86_64.rpm python-libs-2.6.6-29.el6_2.2.x86_64.rpm python-test-2.6.6-29.el6_2.2.x86_64.rpm python-tools-2.6.6-29.el6_2.2.x86_64.rpm tkinter-2.6.6-29.el6_2.2.x86_64.rpm I had to install package "tix" too as a dependency, but the problem still persists. Could anyone kindly help me regarding this? Thanks! Andras