I am doing an "apt-get update" and receiving the following errors. I have searched the forums and followed instructions on some similar posts but still can't get past it. Any suggestions?
W: Failed to fetch gzip:/var/lib/apt/lists/partial/us.archive.ubuntu.com_ubuntu_dists_quantal_universe_binary-amd64_Packages Hash Sum mismatch
W: Failed to fetch gzip:/var/lib/apt/lists/partial/us.archive.ubuntu.com_ubuntu_dists_quantal_universe_binary-i386_Packages Hash Sum mismatch
E: Some index files failed to download. They have been ignored, or old ones used instead.