package qemu-kvm (not installed) failed to install/upgrade: subprocess new pre-installation script returned error exit status 1

[Jason Odoom]

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ProblemType: Package
DistroRelease: Ubuntu 11.04
Package: qemu-kvm (not installed)
ProcVersionSignature: hostname 2.6.38-10.46-generic 2.6.38.7
Uname: Linux 2.6.38-10-generic i686
Architecture: i386
Date: Sat Jul 16 13:25:42 2011
DpkgTerminalLog:
 Unpacking qemu-kvm (from .../qemu-kvm_0.14.0+noroms-0ubuntu4.3_i386.deb) ...
 groupadd: cannot lock /etc/gshadow; try again later.
 addgroup: `/usr/sbin/groupadd -g 132 kvm' returned error code 10. Exiting.
 dpkg: error processing /var/cache/apt/archives/qemu-kvm_0.14.0+noroms-0ubuntu4.3_i386.deb (--unpack):
  subprocess new pre-installation script returned error exit status 1
ErrorMessage: subprocess new pre-installation script returned error exit status 1
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
SourcePackage: qemu-kvm
Title: package qemu-kvm (not installed) failed to install/upgrade: subprocess new pre-installation script returned error exit status 1
UpgradeStatus: Upgraded to natty on 2011-07-15 (4 days ago)