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hossuriad
Asked: 2021-05-19 02:19:37 +0800 CST

Clearsigned file error when attempting to update packages

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When I run apt update I get the following error:

E: Clearsigned file '/var/lib/apt/lists/gb.archive.ubuntu.com_ubuntu_dists_focal-updates_InRelease' contains unsigned lines.
E: The package lists or status file could not be parsed or opened.

Could you advise on how I can resolve this please?

apt

1 Answers

  1. Best Answer

    Remove problematic lists by

    sudo rm -r /var/lib/apt/lists/*

    and then retry with

    sudo apt update
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