[Bug 775458] Re: Crasch Starting : E:_cache->open()failed, please report

[Jacobus]

Same here. Installed a package last night and after that I could not get
into Sysnaptic Package Manager

Honestly, Natty has been the most unstable Unbutu I have ever worked on.
My window frames disappear, external monitors go nuts, just now the
system rebooted when I opened Firefox. This is a brand new install and
I'm getting tons and tons of errors. All appear to have some root in
Unity....

Anyways, here is the Synaptic Error:
E: Encountered a section with no Package: header
E: Problem with MergeList /var/lib/apt/lists/ubuntu.mirror.ac.za_ubuntu-archive_dists_natty_main_binary-amd64_Packages
E: The package lists or status file could not be parsed or opened.
E: _cache->open() failed, please report.

Cheers,
JR

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https://bugs.launchpad.net/bugs/775458

Title:
  Crasch Starting : E:_cache->open()failed, please report

Status in “synaptic” package in Ubuntu:
  New

Bug description:
  Binary package hint: synaptic

  Synaptic was installing qt4-doc after downloading
  Battery of laptop finished and turned off the system right during installation
  Now starting gives an error in a dialog box and do not start anymore :
  Messagge :
  E:dpkg was interrupted, you must manually run sudo dpkg-configure -a to correct the problem
  E:_cache->open()failed, please report

  dpkg-configure it's not installed
  I tried with no result dpkg-reconfigure

  Best Regards

  ProblemType: Bug
  DistroRelease: Ubuntu 11.04
  Package: synaptic 0.75.1ubuntu2
  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  2 11:00:47 2011
  InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
  ProcEnviron:
   LANGUAGE=en_GB:en
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  SourcePackage: synaptic
  UpgradeStatus: Upgraded to natty on 2011-05-01 (0 days ago)