尝试更新软件包时出现 Clearsigned 文件错误

Question

当我运行时，apt update出现以下错误：

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.

您能告诉我如何解决这个问题吗？

Answer 1

删除有问题的列表

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

然后重试

sudo apt update