package linux-image-2.6.38-4-generic 2.6.38-4.31 failed to install/upgrade: ErrorMessage: subprocess installed post-installation script returned error exit status 2

I was performing an update through Update Manager. I'm running from a Live USB install.

ProblemType: Package
DistroRelease: Ubuntu 11.04
Package: linux-image-2.6.38-4-generic 2.6.38-4.31
Regression: Yes
Reproducible: No
ProcVersionSignature: Ubuntu 2.6.38-4.31-generic 2.6.38-rc5
Uname: Linux 2.6.38-4-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Architecture: amd64
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 0: Intel [HDA Intel], device 0: AD198x Analog [AD198x Analog]
   Subdevices: 2/2
   Subdevice #0: subdevice #0
   Subdevice #1: subdevice #1
AudioDevicesInUse:
 Cannot stat file /proc/13339/fd/21: Stale NFS file handle
 Cannot stat file /proc/13339/fd/22: Stale NFS file handle
                      USER PID ACCESS COMMAND
 /dev/snd/controlC0: ubuntu 3873 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xd01a0000 irq 42'
   Mixer name : 'Analog Devices AD1882'
   Components : 'HDA:11d41882,17aa3038,00100300'
   Controls : 41
   Simple ctrls : 24
Date: Tue Feb 22 18:23:41 2011
ErrorMessage: ErrorMessage: subprocess installed post-installation script returned error exit status 2
Frequency: This has only happened once.
IwConfig:
 lo no wireless extensions.

 eth1 no wireless extensions.
LiveMediaBuild: Ubuntu 11.04 "Natty Narwhal" - Alpha amd64 (20110214)
MachineType: LENOVO 9181A1U
ProcKernelCmdLine: BOOT_IMAGE=/casper/vmlinuz noprompt cdrom-detect/try-usb=true persistent file=/cdrom/preseed/hostname.seed boot=casper initrd=/casper/initrd.lz quiet splash -- maybe-ubiquity
RelatedPackageVersions:
 linux-restricted-modules-2.6.38-4-generic N/A
 linux-backports-modules-2.6.38-4-generic N/A
 linux-firmware 1.47
RfKill:

SourcePackage: linux
Title: package linux-image-2.6.38-4-generic 2.6.38-4.31 failed to install/upgrade: ErrorMessage: subprocess installed post-installation script returned error exit status 2
dmi.bios.date: 06/18/2008
dmi.bios.vendor: LENOVO
dmi.bios.version: 2RKT47AUS
dmi.board.name: LENOVO
dmi.board.vendor: LENOVO
dmi.board.version: NONE
dmi.chassis.asset.tag: �������������������������
dmi.chassis.type: 3
dmi.chassis.vendor: LENOVO
dmi.chassis.version: NONE
dmi.modalias: dmi:bvnLENOVO:bvr2RKT47AUS:bd06/18/2008:svnLENOVO:pn9181A1U:pvrThinkCentreM57:rvnLENOVO:rnLENOVO:rvrNONE:cvnLENOVO:ct3:cvrNONE:
dmi.product.name: 9181A1U
dmi.product.version: ThinkCentre M57
dmi.sys.vendor: LENOVO