when i tried to update a new install; ~]$ sudo yum -y update Loaded plugins: fastestmirror, refresh-packagekit, security Setting up Update Process Determining fastest mirrors * base: repos.dfw.quadranet.com * extras: repos.dfw.quadranet.com * updates: repos.dfw.quadranet.com extras | 3.4 kB 00:00 extras/primary_db | 37 kB 00:00 updates | 3.4 kB 00:00 updates/primary_db | 3.7 MB 00:02 Error: database disk image is malformed ~]$ ran a web search, which produced 'about 408 results'. skimmed thru them looking for a favorable url, which was; forums.fedoraforum.org/showthread.php?t=308521 which led to these 2; ~]$ sudo yum clean dbcache ~]$ sudo yum history new system is now updateing without errors. hope this is help to anyone who man have problem. -- The important thing is not to stop questioning. - Albert Einstein CentOS GNU/Linux 6.8 KDE 4.3.4 peace out. tc,hago. g . =+= Tired of having your microsoft os hacked? Change to Linux os, used by microsoft hackers. =+= If Bill Gates got a dime for every time Windows crashes... ...oh, wait. He does. THAT explains it! =+= in a world with out fences, who needs gates. =+=