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I'm having problems upgrading packages in my Ubuntu 14.04. I retried several time but the problem persists and the message says I should report to developers

The following is my error

Reading package lists... Error!
W: GPG error: http://archive.ubuntu.com trusty Release: The following signatures were invalid: BADSIG 40976EAF437D05B5 Ubuntu Archive Automatic Signing Key <ftpmaster@ubuntu.com>
E: Encountered a section with no Package: header
E: Problem with MergeList /var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_trusty_main_i18n_Translation-en
E: The package lists or status file could not be parsed or opened.

How could I fix this?

Zanna
  • 70,465
Shawn Le
  • 63

1 Answers1

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Clean your apt-get cache:

sudo apt-get clean

Create a new list of apt-get packages

cd /var/lib/apt
sudo mv lists lists.orig
sudo mkdir -p lists/partial

Update your source lists

sudo apt-get update
Tung Tran
  • 3,945