package firefox 24.0+build1-0ubuntu0.13.04.1 failed to install/upgrade: ErrorMessage: package firefox is already installed and configured

[Nayef A]

on upgrade to 13.10. upgrade as a whole has failed as well.

ProblemType: Package
DistroRelease: Ubuntu 13.10
Package: firefox 24.0+build1-0ubuntu0.13.04.1
ProcVersionSignature: Ubuntu 3.8.0-31.46-generic 3.8.13.8
Uname: Linux 3.8.0-31-generic x86_64
AddonCompatCheckDisabled: False
ApportVersion: 2.12.5-0ubuntu2
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: nayef 2081 F.... pulseaudio
                      nayef 11008 F.... pulseaudio
BuildID: 20130911155223
Channel: Unavailable
Date: Fri Oct 18 07:45:52 2013
DuplicateSignature: package:firefox:24.0+build1-0ubuntu0.13.04.1:ErrorMessage: package firefox is already installed and configured
ErrorMessage: ErrorMessage: package firefox is already installed and configured
ForcedLayersAccel: False
IfupdownConfig:
 # interfaces(5) file used by ifup(8) and ifdown(8)
 auto lo
 iface lo inet loopback
InstallationDate: Installed on 2013-08-29 (49 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
IpRoute:
 default via 192.168.100.1 dev wlan0 proto static
 169.254.0.0/16 dev wlan0 scope link metric 1000
 192.168.100.0/24 dev wlan0 proto kernel scope link src 192.168.100.22 metric 9
MarkForUpload: True
NoProfiles: True
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
RunningIncompatibleAddons: False
SourcePackage: dpkg
Title: package firefox 24.0+build1-0ubuntu0.13.04.1 failed to install/upgrade: ErrorMessage: package firefox is already installed and configured
UpgradeStatus: Upgraded to saucy on 2013-10-18 (0 days ago)
dmi.bios.date: 11/23/2012
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: S550CM.202
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: S550CM
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: 1.0
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK COMPUTER INC.
dmi.chassis.version: 1.0
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrS550CM.202:bd11/23/2012:svnASUSTeKCOMPUTERINC.:pnS550CM:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnS550CM:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
dmi.product.name: S550CM
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK COMPUTER INC.