package samba-common 2:3.5.8~dfsg-1ubuntu2.3 failed to install/upgrade: subprocess installed post-installation script returned error exit status 10

Every time i install/remove something via Synaptic, I always get this error

E: foomatic-filters: subprocess installed post-installation script returned error exit status 10
E: rsyslog: subprocess installed post-installation script returned error exit status 10
E: foo2zjs: dependency problems - leaving unconfigured
E: samba-common: subprocess installed post-installation script returned error exit status 10
E: samba-common-bin: dependency problems - leaving unconfigured
E: smbclient: dependency problems - leaving unconfigured

The following is what I get from executing the following command:
sudo dpkg --configure -a

dpkg: error: dpkg status database is locked by another process
ming@ming-desktop:~$ sudo dpkg --configure -a
Setting up samba-common (2:3.5.8~dfsg-1ubuntu2.3) ...
dpkg: error processing samba-common (--configure):
subprocess installed post-installation script returned error exit status 10
dpkg: dependency problems prevent configuration of smbclient:
smbclient depends on samba-common (= 2:3.5.8~dfsg-1ubuntu2.3); however:
Package samba-common is not configured yet.
dpkg: error processing smbclient (--configure):
dependency problems - leaving unconfigured
Setting up foomatic-filters (4.0.7-0ubuntu1.1) ...
dpkg: error processing foomatic-filters (--configure):
subprocess installed post-installation script returned error exit status 10
dpkg: dependency problems prevent configuration of samba-common-bin:
samba-common-bin depends on samba-common (>= 2:3.4.0~pre1-2); however:
Package samba-common is not configured yet.
dpkg: error processing samba-common-bin (--configure):
dependency problems - leaving unconfigured
Setting up rsyslog (4.6.4-2ubuntu4.2) ...
dpkg: error processing rsyslog (--configure):
subprocess installed post-installation script returned error exit status 10
dpkg: dependency problems prevent configuration of foo2zjs:
foo2zjs depends on foomatic-filters; however:
Package foomatic-filters is not configured yet.
dpkg: error processing foo2zjs (--configure):
dependency problems - leaving unconfigured
Errors were encountered while processing:
samba-common
smbclient
foomatic-filters
samba-common-bin
rsyslog
foo2zjs

ProblemType: Package
DistroRelease: Ubuntu 11.04
Package: samba-common 2:3.5.8~dfsg-1ubuntu2.3
ProcVersionSignature: Ubuntu 2.6.38-13.57-generic 2.6.38.8
Uname: Linux 2.6.38-13-generic i686
Architecture: i386
Date: Mon Apr 9 21:22:03 2012
ErrorMessage: subprocess installed post-installation script returned error exit status 10
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
PackageArchitecture: all
RelatedPackageVersions:
 nautilus 1:2.32.2.1-0ubuntu13
 gvfs 1.8.0-0ubuntu3
SambaClientRegression: Yes
SourcePackage: samba
Title: package samba-common 2:3.5.8~dfsg-1ubuntu2.3 failed to install/upgrade: subprocess installed post-installation script returned error exit status 10
UpgradeStatus: No upgrade log present (probably fresh install)