Hi, I got the following error messages when I ran the 'yum update' command. Looks like it could not find some key? What should I do to fix this error? Do I need to clean something? This is the first time I ran this command and I'm not familiar with its usage much. So your help is appreciated. Thanks very much. --david le. -------------------------------- Getting mozilla-nss-1.4.1-18.i386.rpm mozilla-nss-1.4.1-18.i386 100% |=========================| 621 kB 00:02 Getting libxml2-python-2.6.6-3.i386.rpm libxml2-python-2.6.6-3.i3 100% |=========================| 473 kB 00:01 Getting sox-12.17.4-4.fc1.i386.rpm sox-12.17.4-4.fc1.i386.rp 100% |=========================| 255 kB 00:00 Getting nss_ldap-207-6.i386.rpm nss_ldap-207-6.i386.rpm 100% |=========================| 913 kB 00:02 Getting rhythmbox-0.6.5-0.lvn.1.1.i386.rpm rhythmbox-0.6.5-0.lvn.1.1 100% |=========================| 1.1 MB 00:06 warning: rpmts_HdrFromFdno: V3 DSA signature: NOKEY, key ID a109b1ec Error: Could not find the GPG Key necessary to validate pkg /var/cache/yum/livna-stable/packages/rhythmbox-0.6.5-0.lvn.1.1.i386.rpm Error: You may want to run yum clean or remove the file: /var/cache/yum/livna-stable/packages/rhythmbox-0.6.5-0.lvn.1.1.i386.rpm Error: You may also check that you have the correct GPG keys installed