update-intel-microcode crashed with KeyError in getmember(): "filename u'microcode-20110428.dat' not found"

[Alex]

Binary package hint: microcode.ctl

The system crash with an error message - update-intel-microcode crashed with KeyError in getmember(): "filename u'microcode-20110428.dat' not found".

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: microcode.ctl 1.17-13ubuntu2
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic i686
Architecture: i386
Date: Mon May 30 01:58:17 2011
ExecutablePath: /usr/sbin/update-intel-microcode
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
InterpreterPath: /usr/bin/python2.7
ProcCmdline: /usr/bin/python /usr/sbin/update-intel-microcode
ProcEnviron:
 LANGUAGE=en_CA:en
 PATH=(custom, no user)
 LANG=en_CA.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/sbin/update-intel-microcode']
SourcePackage: microcode.ctl
Title: update-intel-microcode crashed with KeyError in getmember(): "filename u'microcode-20110428.dat' not found"
UpgradeStatus: Upgraded to natty on 2011-04-28 (31 days ago)
UserGroups: