December 11, 2009 · Package Mgmt · Email This Post
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If you are seeing Ubuntu GPG Error BADSIG use the one of the following methods to fix

Error Message

W: GPG error: http://archive.canonical.com intrepid Release: The following signatures were invalid: BADSIG 40976EAF437D05B5 Ubuntu Archive Automatic Signing Key

Method 1

Try to run the following comamnds from terminal

$ sudo -i

# apt-get clean

# cd /var/lib/apt

# mv lists lists.old

# mkdir -p lists/partial

# apt-get clean

# apt-get update

Method 2

Try to run the following comamnds from terminal

sudo aptitude -o Acquire::http::No-Cache=True -o Acquire::BrokenProxy=true update

sudo apt-get update

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5 Comments to “How to fix the Ubuntu GPG Error BADSIG”

  1. Never tried the 1st method.

    Thx for sharing this!

  2. Habacuc says:

    Hi guys,
    I’ve tried both methods and sadly neither of them seems to work, I am still having the same error. What should I do?
    Cheers

  3. Slippy says:

    I tried both methods too and no luck???!!!!

  4. Celso says:

    no luck too.

    is there another fix?

  5. aramman says:

    2-nd method seems to be nice troubleshoot,worked for me !

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