zeitgeist-daemon crashed with OperationalError in execute(): database is locked

[Federico]

running "unity --reset" in terminal to restore the upper most right button.

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: zeitgeist-core 0.8.1.1-1
ProcVersionSignature: Ubuntu 3.0.0-11.18-generic 3.0.4
Uname: Linux 3.0.0-11-generic i686
NonfreeKernelModules: nvidia
ApportVersion: 1.23-0ubuntu1
Architecture: i386
Date: Sun Sep 25 17:30:51 2011
ExecutablePath: /usr/bin/zeitgeist-daemon
InterpreterPath: /usr/bin/python2.7
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/zeitgeist-daemon
ProcEnviron:
 SHELL=/bin/bash
 PATH=(custom, no user)
 LANGUAGE=es_CL:es
 LANG=es_CL.UTF-8
PythonArgs: ['/usr/bin/zeitgeist-daemon']
SourcePackage: zeitgeist
Title: zeitgeist-daemon crashed with OperationalError in execute(): database is locked
UpgradeStatus: Upgraded to oneiric on 2011-09-22 (3 days ago)
UserGroups:

[Federico (fkremer-terra)]

En el terminal aparecen una serie de errores de iconos, carpetas y archivos no encontrados. El botón que quería restaurar es el superior de la derecha que me permite resetear o apagar el equipo. Por lo general, con algunas aplicaciones desaparece y debo hacer "reboot" o "shutdown" desde un terminal para poder realizar estas operaciones.

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make Ubuntu better. This particular crash has already been reported and is a duplicate of bug #848710, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.