synaptic program installer ceased to function

[Thor]

Binary package hint: gnome-utils

E: dpkg was interrupted, you must manually run 'dpkg --configure -a' to correct the problem.
E: _cache->open() failed, please report.

I am a newbe to ubuntu 7.10......following error report appeared after failure of activating synaptic program installer....unfamiliar on how to run dpkg to correct the problem

ProblemType: Bug
Architecture: i386
Date: Thu Jan 31 03:17:09 2008
DistroRelease: Ubuntu 7.10
ExecutablePath: /usr/bin/gnome-system-log
Package: gnome-utils 2.20.0.1-0ubuntu1
PackageArchitecture: i386
ProcCmdline: gnome-system-log
ProcCwd: /home/thor
ProcEnviron:
 PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
 LANG=nb_NO.UTF-8
 SHELL=/bin/bash
SourcePackage: gnome-utils
Uname: Linux thor-desktop 2.6.22-14-generic #1 SMP Tue Dec 18 08:02:57 UTC 2007 i686 GNU/Linux

[Pedro Villavicencio (pedro)]

Thank you for your comments. This does not appear to be a bug report and we are closing it. We appreciate the difficulties you are facing, but it would make more sense to raise your question in the support tracker. https://answers.launchpad.net/ubuntu

[bong (bongbongmallari)]

E: dpkg was interrupted, you must manually run 'dpkg --configure -a' to correct the problem.
E: _cache->open() failed, please report.

pleas help me to pix this probem tnx reply