Ubuntu error authenticating some packages

Ubuntu error authenticating some packages could mean the updates were corrupted or compromised.

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Staff Asked on September 7, 2017 in Linux.
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2 Solution(s)

Solution 1. Reinstall Ubuntu using up to date Installer

“Ubuntu error authenticating some packages” might be caused by upgrading an old version of Ubuntu that uses old Gnome. To fix the problem, get the latest Ubuntu installer that is available.

Make sure to.

  1. Backup your file.
  2. Create a list of your software
  3. Clean install the latest version of Ubuntu.
  4. Reinstall the software and configurations your personal settings.
Staff Answered on June 10, 2018.
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Solution 2. Enable AllowUnauthenticated

“Ubuntu error authenticating some packages” may also be caused by it security protocol. You may want to enable Allow Unauthenticated. Use the command below.

A temporary workaround, create a file


filled with the following


Now try to update your Ubuntu

sudo apt-get update
sudo apt
-get upgrade
sudo apt
-get install update-manager-core
Staff Answered on June 10, 2018.
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