Ubuntu
update-manager package

Ubuntu update error the following signatures were invalid: BADSIG 40976EAF437D05B5

Asked by Muhammad Khurrum Butt on 2010-08-15

W: A error occurred during the signature verification. The repository is not updated and the previous index files will be used.GPG error: http://archive.ubuntu.com lucid-updates Release: The following signatures were invalid: BADSIG 40976EAF437D05B5 Ubuntu Archive Automatic Signing Key <email address hidden>

W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/lucid-updates/Release

W: Some index files failed to download, they have been ignored, or old ones used instead.

Question information

Language:: English Edit question

Status:: Solved

For:: Ubuntu update-manager Edit question

Assignee:: No assignee Edit question

Solved by:: marcobra (Marco Braida)

Solved:: 2010-08-16

Last query:: 2010-08-16

Last reply:: 2010-08-15

Link existing bug

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marcobra (Marco Braida) (marcobra) said on 2010-08-15:

How to add gpg repository keys

To add your keys, please try this:

Open a Terminal from the menu Applications → Accessories → Terminal and type or better copy and paste a row a time then press enter:
(if the system ask you a password give your user password, you will not see nothing when you type it, then press enter)

sudo apt-key adv --recv-keys --keyserver keyserver.ubuntu.com A040830F7FAC5991

Then type: (when the system ask you a password give your user password, you will not see nothing when you type it, then press enter)

sudo apt-get update
sudo apt-get dist-upgrade

to update your system.

General info: https://help.launchpad.net/Packaging/PPA#Adding%20a%20PPA%20to%20your%20Ubuntu%20repositories

How to videos:

http://www.archive.org/download/LaunchpadAddingAPpasKeyToYourUbuntuSystem/launchpad-adding-key-for-signed-ppa.ogv

http://www.youtube.com/watch?v=UUZOQsNo_ws

Hope this helps

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