Hi, Today, when I wanted to run a "yum update", I 've got the following error : rpmdb: PANIC: fatal region error detected; run recovery error: db4 error(-30977) from dbenv->open: DB_RUNRECOVERY: Fatal error, run database recovery error: cannot open Packages index using db3 - (-30977) error: cannot open Packages database in /var/lib/rpm Traceback (most recent call last): File "/usr/bin/yum", line 27, in ? yummain.main(sys.argv[1:]) File "/usr/share/yum-cli/yummain.py", line 75, in main base.getOptionsConfig(args) File "/usr/share/yum-cli/cli.py", line 170, in getOptionsConfig self.doConfigSetup(fn=opts.conffile, root=root) File "__init__.py", line 82, in doConfigSetup File "config.py", line 271, in __init__ File "config.py", line 383, in _getsysver TypeError: rpmdb open failed [root@celtes5 rpm]# then I wanted to run a : rpm --rebuilddb, but I got this error too : [root@celtes5 rpm]# rpm --rebuilddb rpmdb: PANIC: fatal region error detected; run recovery erreur: erreur db4(-30977) de dbenv->open: DB_RUNRECOVERY: Fatal error, run database recovery erreur: ne peut ouvrir l'index Packages en utilisant db3 - (-30977) [root@celtes5 rpm]# then I tried to move the files /var/lib/rpm/__db.000 __db.001 __db.002 __db.003 I found there, (I wanted to keep them in case I need them), and tried to run a "rpm --rebuildd" again. Same error. I tried a second time, and then it created only three files "__db.00x" But now it seems the database doesn't included the rpm files I added after I installed my FC4 a few months ago. What can I do to get my system as it was before this problem. ? Thanks. Francois