Update manager stops and says installation packages are not authenticated

Asked By Sean A Fulton 30 points N/A Posted on - 01/07/2014

Hai all,

I am in process of running the update manager, in the middle I got an error message stating installation packages from sources that are not authenticated. This means I should not continue with update? But this error is appears again and again. I do continue with the update it will crash the system? Help me to solve this error.

Title: Requires installation of untrusted packages.

Requires installation of untrusted packages

The action would require the installation of packages from sources that are not authenticated.

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• Question Category: Misc Software

Answered By Nichols Fryman 15 points N/A #187411

Update manager stops and says installation packages are not authenticated

Hi Sean,
The error can be solved by following the commands mentioned below:
1) Click 'Start', select 'Run', the run window will open
2) Type 'cmd' and the command prompt window will open
3) Enter the command 'sudo apt -get clean', press enter
4) The command will clean the files present in the manager
5) Enter the command 'cd/var/lib/apt', 'sudo mv lists lists.old'
6) The lists will be moved from the old location to the new one in the system
7) Type 'sudo mkdir -p lists/partial', the user create a new directory in the path mentioned
8) Enter the command 'sudo apt -get clean', 'sudo apt -get update'
9) The files will be updated and the error is removed from the system

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• Posted on - 01/08/2014
• Question Category: Misc Software