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更新マネージャーが機能しない

こんにちは、[更新]で[チェック]ボタンを押そうとすると、利用可能な更新が検索されません。

エラーを下回っています。

"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 <[email protected]>
W:GPG error: http://archive.canonical.com lucid Release: The following signatures were invalid: BADSIG 40976EAF437D05B5 Ubuntu Archive Automatic Signing Key <[email protected]>
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バージョン11.10

12
Deena

ターミナルでこれらを試してください

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
15
Bruno Pereira