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检查你的互联网连接

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检查你的互联网连接

当我尝试安装触摸板的 Synaptics 驱动程序时，出现以下错误：

Check you internet connection:
    Failed to fetch http://archive.ubuntu.com/ubuntu/pool/universe/n/nepomuk-core/nepomuk-core-data_4.9.3-0ubuntu0.1_all.deb 404  Not Found [IP: 91.189.92.201 80]
    Failed to fetch http://archive.ubuntu.com/ubuntu/pool/universe/n/nepomuk-core/libnepomukcore4abi1_4.9.3-0ubuntu0.1_amd64.deb 404  Not Found [IP: 91.189.92.201 80]
    Failed to fetch http://archive.ubuntu.com/ubuntu/pool/universe/n/nepomuk-core/libnepomuksync4_4.9.3-0ubuntu0.1_amd64.deb 404  Not Found [IP: 91.189.92.201 80]
    Failed to fetch http://archive.ubuntu.com/ubuntu/pool/universe/n/nepomuk-core/nepomuk-core_4.9.3-0ubuntu0.1_amd64.deb 404  Not Found [IP: 91.189.92.201 80]
    Failed to fetch http://archive.ubuntu.com/ubuntu/pool/universe/k/kde-runtime/kde-runtime_4.9.3-0ubuntu0.1_amd64.deb 404  Not Found [IP: 91.189.92.201 80]
    Failed to fetch http://archive.ubuntu.com/ubuntu/pool/universe/k/kdepim-runtime/kdepim-runtime_4.9.3-0ubuntu0.1_amd64.deb 404  Not Found [IP: 91.189.92.201 80]
    Failed to fetch http://archive.ubuntu.com/ubuntu/pool/universe/p/pykde4/python-kde4_4.9.3-0ubuntu0.1_amd64.deb 404  Not Found [IP: 91.189.92.201 80

]

我在安装 Krusader 时也遇到了类似的问题。但互联网连接肯定没问题。

你的想法？

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