I thought I would document this error since its not documented very well. The package or file may be different but the idea is the same.
$ sudo yum updateLoaded plugins: langpacks, presto, refresh-packagekit, versionlock
Setting up Update Process
Resolving Dependencies
--> Running transaction check
---> Package audit.i686 0:2.2-1.fc15 will be updated
---> Package audit.i686 0:2.2.1-1.fc15 will be an update
---> Package audit-libs.i686 0:2.2-1.fc15 will be updated
---> Package audit-libs.i686 0:2.2.1-1.fc15 will be an update
---> Package audit-libs-python.i686 0:2.2-1.fc15 will be updated
---> Package audit-libs-python.i686 0:2.2.1-1.fc15 will be an update
---> Package dvb-apps.i686 0:1.1.2-0.1457.bec11f78be51.fc15 will be updated
---> Package dvb-apps.i686 0:1.1.2-0.1479.37781d27a444.fc15 will be an update
---> Package flash-plugin.i386 0:11.2.202.228-release will be updated
---> Package flash-plugin.i386 0:11.2.202.233-release will be an update
---> Package meld.noarch 0:1.5.3-1.fc15 will be updated
---> Package meld.noarch 0:1.5.4-1.fc15 will be an update
---> Package mysql.i686 0:5.5.21-1.fc15 will be updated
---> Package mysql.i686 0:5.5.22-1.fc15 will be an update
---> Package mysql-embedded.i686 0:5.5.21-1.fc15 will be updated
---> Package mysql-embedded.i686 0:5.5.22-1.fc15 will be an update
---> Package mysql-libs.i686 0:5.5.21-1.fc15 will be updated
---> Package mysql-libs.i686 0:5.5.22-1.fc15 will be an update
---> Package mysql-server.i686 0:5.5.21-1.fc15 will be updated
---> Package mysql-server.i686 0:5.5.22-1.fc15 will be an update
--> Finished Dependency Resolution
Dependencies Resolved
========================================================================
Package Arch Version Repository Size
========================================================================
Updating:
audit i686 2.2.1-1.fc15 updates 209 k
audit-libs i686 2.2.1-1.fc15 updates 67 k
audit-libs-python i686 2.2.1-1.fc15 updates 62 k
dvb-apps i686 1.1.2-0.1479.37781d27a444.fc15
updates 345 k
flash-plugin i386 11.2.202.233-release adobe-linux-i386 6.6 M
meld noarch 1.5.4-1.fc15 updates 473 k
mysql i686 5.5.22-1.fc15 updates 4.5 M
mysql-embedded i686 5.5.22-1.fc15 updates 2.8 M
mysql-libs i686 5.5.22-1.fc15 updates 696 k
mysql-server i686 5.5.22-1.fc15 updates 8.3 M
Transaction Summary
========================================================================
Upgrade 10 Package(s)
Total download size: 24 M
Is this ok [y/N]: y
Downloading Packages:
Setting up and reading Presto delta metadata
updates/prestodelta | 1.0 MB 00:01
Processing delta metadata
Download delta size: 760 k
(1/6): audit-2.2-1.fc15_2.2.1-1.fc15.i686.drpm | 161 kB 00:00
(2/6): audit-libs-2.2-1.fc15_2.2.1-1.fc15.i686.d | 29 kB 00:00
(3/6): audit-libs-python-2.2-1.fc15_2.2.1-1.fc15 | 11 kB 00:00
(4/6): meld-1.5.3-1.fc15_1.5.4-1.fc15.noarch.drp | 73 kB 00:00
(5/6): mysql-embedded-5.5.21-1.fc15_5.5.22-1.fc1 | 428 kB 00:00
(6/6): mysql-libs-5.5.21-1.fc15_5.5.22-1.fc15.i6 | 59 kB 00:00
Finishing rebuild of rpms, from deltarpms
<delta rebuild> | 4.2 MB 00:07
Presto reduced the update size by 83% (from 4.2 M to 760 k).
Package(s) data still to download: 20 M
(1/4): dvb-apps-1.1.2-0.1479.37781d27a444.fc15.i | 345 kB 00:00
(2/4): flash-plugin-11.2.202.233-release.i386.rp | 6.6 MB 00:11
(3/4): mysql-5.5.22-1.fc15.i686.rpm | 4.5 MB 00:07
(4/4): mysql-server-5.5.22-1.fc15.i686.rpm | 8.3 MB 00:15
------------------------------------------------------------------------
Total 512 kB/s | 20 MB 00:39
Running rpm_check_debug
Running Transaction Test
Transaction Test Succeeded
Running Transaction
Warning: RPMDB altered outside of yum.
Updating : meld-1.5.4-1.fc15.noarch 1/20
Updating : audit-libs-2.2.1-1.fc15.i686 2/20
/sbin/ldconfig: File /usr/lib/libquazip.so.1.0 is empty, not checked.
/sbin/ldconfig: File /usr/lib/libquazip.so.1 is empty, not checked.
/sbin/ldconfig: File /usr/lib/libquazip.so.1.0.0 is empty, not checked.
Updating : mysql-libs-5.5.22-1.fc15.i686 3/20
/sbin/ldconfig: File /usr/lib/libquazip.so.1.0 is empty, not checked.
/sbin/ldconfig: File /usr/lib/libquazip.so.1 is empty, not checked.
/sbin/ldconfig: File /usr/lib/libquazip.so.1.0.0 is empty, not checked.
Updating : mysql-5.5.22-1.fc15.i686 4/20
Updating : mysql-server-5.5.22-1.fc15.i686 5/20
Updating : audit-2.2.1-1.fc15.i686 6/20
Updating : audit-libs-python-2.2.1-1.fc15.i686 7/20
Updating : flash-plugin-11.2.202.233-release.i386 8/20
Updating : dvb-apps-1.1.2-0.1479.37781d27a444.fc15.i686 9/20
/sbin/ldconfig: File /usr/lib/libquazip.so.1.0 is empty, not checked.
/sbin/ldconfig: File /usr/lib/libquazip.so.1 is empty, not checked.
/sbin/ldconfig: File /usr/lib/libquazip.so.1.0.0 is empty, not checked.
Updating : mysql-embedded-5.5.22-1.fc15.i686 10/20
Cleanup : mysql-server-5.5.21-1.fc15.i686 11/20
Cleanup : mysql-5.5.21-1.fc15.i686 12/20
Cleanup : audit-libs-python-2.2-1.fc15.i686 13/20
Cleanup : audit-2.2-1.fc15.i686 14/20
Cleanup : audit-libs-2.2-1.fc15.i686 15/20
Cleanup : mysql-libs-5.5.21-1.fc15.i686 16/20
/sbin/ldconfig: File /usr/lib/libquazip.so.1.0 is empty, not checked.
/sbin/ldconfig: File /usr/lib/libquazip.so.1 is empty, not checked.
/sbin/ldconfig: File /usr/lib/libquazip.so.1.0.0 is empty, not checked.
Cleanup : flash-plugin-11.2.202.228-release.i386 17/20
Cleanup : dvb-apps-1.1.2-0.1457.bec11f78be51.fc15.i686 18/20
Cleanup : mysql-embedded-5.5.21-1.fc15.i686 19/20
/sbin/ldconfig: File /usr/lib/libquazip.so.1.0 is empty, not checked.
/sbin/ldconfig: File /usr/lib/libquazip.so.1 is empty, not checked.
/sbin/ldconfig: File /usr/lib/libquazip.so.1.0.0 is empty, not checked.
Cleanup : meld-1.5.3-1.fc15.noarch 20/20
Updated:
audit.i686 0:2.2.1-1.fc15
audit-libs.i686 0:2.2.1-1.fc15
audit-libs-python.i686 0:2.2.1-1.fc15
dvb-apps.i686 0:1.1.2-0.1479.37781d27a444.fc15
flash-plugin.i386 0:11.2.202.233-release
meld.noarch 0:1.5.4-1.fc15
mysql.i686 0:5.5.22-1.fc15
mysql-embedded.i686 0:5.5.22-1.fc15
mysql-libs.i686 0:5.5.22-1.fc15
mysql-server.i686 0:5.5.22-1.fc15
Here you are figuring out what package the file belongs to.
$ rpm -qf /usr/lib/libquazip.so.1.0
quazip-0.3-3.fc15.i686
Here you are reinstalling the problem package.
$ sudo yum reinstall quazip
A reference for a different package.