Tim wrote: >> Since everything appears to be working perfectly well >> the problem seems to me to lie in the yum database. >> Is it possible to delete this and rebuild it? >> I did run "sudo yum clean all" and "sudo yum makecache" >> but this did not seem to affect matters. > > It's the RPM database that tracks what's installed, that's updated when > you install or remove packages. There are ways to remake it, or check > that it's accurate. Thanks very much for your informative answer. I guess I'll have to find how to re-build the RPM database.