<type 'exceptions.OSError'>: [Errno 9] Bad file descriptor

Binary package hint: aptdaemon

Reinstalling firefox when this error occured

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: aptdaemon 0.41+bzr614-0ubuntu2
ProcVersionSignature: Ubuntu 2.6.38-8.41-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic x86_64
NonfreeKernelModules: wl
Annotation: Applying software changes failed
Architecture: amd64
Date: Thu Apr 7 16:57:53 2011
DesktopFile: /usr/share/aptdaemon/aptdaemon.desktop
ExecutablePath: /usr/sbin/aptd
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
PackageArchitecture: all
SourcePackage: aptdaemon
Title: <type 'exceptions.OSError'>: [Errno 9] Bad file descriptor
TransactionDepends: [['ubufox=0.9~rc2-0ubuntu12', 'djvulibre-desktop=3.5.23-3ubuntu2', 'firefox-globalmenu=4.0~rc2+build3+nobinonly-0ubuntu2', 'djview4=4.6-1', 'xul-ext-ubufox=0.9~rc2-0ubuntu12'], [], [], [], [], [], []]
TransactionErrorCode: error-unknown
TransactionKwargs: {}
TransactionLocale: en_CA.UTF8
TransactionOutput:

TransactionPackages: [[dbus.String(u'firefox'), dbus.String(u'djvulibre-plugin'), dbus.String(u'firefox-gnome-support')], [], [], [], [], []]
TransactionRole: role-commit-packages
UpgradeStatus: Upgraded to natty on 2011-04-04 (3 days ago)