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Hi When I try to press CHECK Button in Updated, it is not looking for updates available.

getting below error.

"Failed to Download repository information"

Check your Internet connection..

W:GPG error: http://archive.canonical.com oneiric Release: The following signatures were invalid: BADSIG 40976EAF437D05B5 Ubuntu Archive Automatic Signing Key <ftpmaster@ubuntu.com>
W:GPG error: http://archive.canonical.com lucid Release: The following signatures were invalid: BADSIG 40976EAF437D05B5 Ubuntu Archive Automatic Signing Key <ftpmaster@ubuntu.com>
W:Failed to fetch gzip:/var/lib/apt/lists/partial/archive.ubuntu.com_ubuntu_dists_oneiric_main_source_Sources  Hash Sum mismatch
E:Some index files failed to download. They have been ignored, or old ones used instead.

Ubuntu Version 11.10

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may be you have the same problem as here: askubuntu.com/questions/82700/… –  Naruto Nov 25 '11 at 23:56
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1 Answer 1

up vote 15 down vote accepted

Try these in a terminal

sudo apt-get clean
cd /var/lib/apt
sudo mv lists lists.old
sudo mkdir -p lists/partial
sudo apt-get clean
sudo apt-get update
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Thanks Buddy, worked perfectly..!! –  Deena Nov 26 '11 at 1:23
    
Mark the answer as correct using the green check mark on it, regards. –  Bruno Pereira Nov 26 '11 at 1:26
    
Do you know how to make it work in Ubuntu 10.10.... –  Wazzzy Jul 10 '12 at 9:30
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protected by Community Feb 6 '12 at 20:41

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