W:GPG error: http://extras.ubuntu.com precise Release: The following signatures were invalid: BADSIG 16126D3A3E5C1192 Ubuntu Extras Archive Automatic Signing Key <email address hidden>, W:Failed to fetch bzip2:/var/lib/apt/lists/partial/sg.archive.ubuntu.com_ubuntu_dists_precise-updates_main_source_Sources Hash Sum mismatch
, W:Failed to fetch bzip2:/var/lib/apt/lists/partial/sg.archive.ubuntu.com_ubuntu_dists_precise-updates_universe_source_Sources Hash Sum mismatch
, W:Failed to fetch bzip2:/var/lib/apt/lists/partial/sg.archive.ubuntu.com_ubuntu_dists_precise-updates_multiverse_source_Sources Hash Sum mismatch
, W:Failed to fetch bzip2:/var/lib/apt/lists/partial/sg.archive.ubuntu.com_ubuntu_dists_precise-updates_main_binary-i386_Packages Hash Sum mismatch
, W:Failed to fetch bzip2:/var/lib/apt/lists/partial/sg.archive.ubuntu.com_ubuntu_dists_precise-updates_universe_binary-i386_Packages Hash Sum mismatch
, W:Failed to fetch bzip2:/var/lib/apt/lists/partial/sg.archive.ubuntu.com_ubuntu_dists_precise-updates_multiverse_binary-i386_Packages Hash Sum mismatch
, W:Failed to fetch bzip2:/var/lib/apt/lists/partial/sg.archive.ubuntu.com_ubuntu_dists_precise-backports_universe_source_Sources Hash Sum mismatch
, W:Failed to fetch bzip2:/var/lib/apt/lists/partial/sg.archive.ubuntu.com_ubuntu_dists_precise-backports_universe_binary-i386_Packages Hash Sum mismatch
, E:Some index files failed to download. They have been ignored, or old ones used instead.
