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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
Credit goes here







Never tried the 1st method.
Thx for sharing this!
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
I tried both methods too and no luck???!!!!
no luck too.
is there another fix?
2-nd method seems to be nice troubleshoot,worked for me !