Upgrade of package failed in Ubuntu Studio 12.04.02

[nUboon2Age]

dpkg: error: parsing file '/var/lib/dpkg/status' near line 5900 package 'libswscale-extra-2':
     `Depends' field, reference to `libavutil-extra-51': version contains ` '
    E: Sub-process /usr/bin/dpkg returned an error code (2)
    A package failed to install. Trying to recover:
    dpkg: error: parsing file '/var/lib/dpkg/status' near line 5900 package 'libswscale-extra-2':
     `Depends' field, reference to `libavutil-extra-51': version contains ` '

 '/var/lib/dpkg/status' near line 590 has:
Depends: libavutil-extra-51 (>= 4:0.8.6ubuntu0.12.04.19, libavutil-extra-51 (<< 4:0.8.6ubuntu0.12.04.1-99), libc6 (>= 2.3.6-6~)

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: libswscale-extra-2 4:0.8.6ubuntu0.12.04.1
ProcVersionSignature: Ubuntu 3.2.0-49.75-generic-pae 3.2.46
Uname: Linux 3.2.0-49-generic-pae i686
NonfreeKernelModules: fglrx
ApportVersion: 2.0.1-0ubuntu17.3
Architecture: i386
Date: Fri Jun 21 07:56:02 2013
InstallationMedia: Ubuntu-Studio 12.04.2 "Precise Pangolin" - Release i386 (20130213)
MarkForUpload: True
ProcEnviron:
 LANGUAGE=en_US:en
 TERM=xterm
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: libav-extra
UpgradeStatus: No upgrade log present (probably fresh install)

[nUboon2Age (nuboon2age)]

deb cdrom:[Ubuntu-Studio 12.04.2 _Precise Pangolin_ - Release i386 (20130213)]/ precise main multiverse restricted universe
deb-src http://archive.ubuntu.com/ubuntu precise main multiverse restricted universe #Added by software-properties

# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.
deb http://us.archive.ubuntu.com/ubuntu/ precise main restricted
deb-src http://us.archive.ubuntu.com/ubuntu/ precise restricted main multiverse universe #Added by software-properties

## Major bug fix updates produced after the final release of the
## distribution.
deb http://us.archive.ubuntu.com/ubuntu/ precise-updates main restricted
deb-src http://us.archive.ubuntu.com/ubuntu/ precise-updates restricted main multiverse universe #Added by software-properties

## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team. Also, please note that software in universe WILL NOT receive any
## review or updates from the Ubuntu security team.
deb http://us.archive.ubuntu.com/ubuntu/ precise universe
deb http://us.archive.ubuntu.com/ubuntu/ precise-updates universe

## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team, and may not be under a free licence. Please satisfy yourself as to
## your rights to use the software. Also, please note that software in
## multiverse WILL NOT receive any review or updates from the Ubuntu
## security team.
deb http://us.archive.ubuntu.com/ubuntu/ precise multiverse
deb http://us.archive.ubuntu.com/ubuntu/ precise-updates multiverse

## N.B. software from this repository may not have been tested as
## extensively as that contained in the main release, although it includes
## newer versions of some applications which may provide useful features.
## Also, please note that software in backports WILL NOT receive any review
## or updates from the Ubuntu security team.
deb http://us.archive.ubuntu.com/ubuntu/ precise-backports main restricted universe multiverse
deb-src http://us.archive.ubuntu.com/ubuntu/ precise-backports main restricted universe multiverse #Added by software-properties

deb http://security.ubuntu.com/ubuntu precise-security main restricted
deb-src http://security.ubuntu.com/ubuntu precise-security restricted main multiverse universe #Added by software-properties
deb http://security.ubuntu.com/ubuntu precise-security universe
deb http://security.ubuntu.com/ubuntu precise-security multiverse

## Uncomment the following two lines to add software from Canonical's
## 'partner' repository.
## This software is not part of Ubuntu, but is offered by Canonical and the
## respective vendors as a service to Ubuntu users.
deb http://archive.canonical.com/ubuntu precise partner
deb-src http://archive.canonical.com/ubuntu precise partner

## Uncomment the following two lines to add software from Ubuntu's
## 'extras' repository.
## This software is not part of Ubuntu, but is offered by third-party
## developers who want to ship their latest software.
deb http://extras.ubuntu.com/ubuntu precise main
deb http://us.archive.ubuntu.com/ubuntu/ precise-proposed restricted main multiverse universe
deb-src http://us.archive.ub...