Just upgraded from FC3 to FC4 and now I have this problem with up2date I have already tried the rm /var/lib/rpm/__* and rpm --rebuilddb Any suggestions? # up2date -u rpmdb: Program version 4.3 doesn't match environment version error: db4 error(-30974) from dbenv->open: DB_VERSION_MISMATCH: Database environment version mismatch error: cannot open Packages index using db3 - (-30974) error: cannot open Packages database in /var/lib/rpm An error has occurred: exceptions.TypeError