sorry, in privious post did not include all the errors i have removed file in cache warning: rpmts_HdrFromFdno: V3 DSA signature: NOKEY, key ID 8df56d05 Error: Could not find the GPG Key necessary to validate pkg /var/cache/yum/fedora-stable/packages/libsndfile-1.0.4-0.fdr.1.rh90.i386.rpm Error: You may want to run yum clean or remove the file: /var/cache/yum/fedora-stable/packages/libsndfile-1.0.4-0.fdr.1.rh90.i386.rpm Error: You may also check that you have the correct GPG keys installed any help really appreciated i hve looked at archives to no avial tia peter