当我跑步时
sudo apt-get update
我收到多个错误和警告。最后一个错误是：
The package cache file is corrupted
以下是错误和警告。
Reading package lists... Error!
W: Target Packages (main/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:52 and /etc/apt/sources.list:54
W: Target Packages (main/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:52 and /etc/apt/sources.list:54
W: Target Packages (main/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:52 and /etc/apt/sources.list:54
W: Target Translations (main/i18n/Translation-en_US) is configured multiple times in /etc/apt/sources.list:52 and /etc/apt/sources.list:54
W: Target Translations (main/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:52 and /etc/apt/sources.list:54
W: Target DEP-11 (main/dep11/Components-amd64.yml) is configured multiple times in /etc/apt/sources.list:52 and /etc/apt/sources.list:54
W: Target DEP-11-icons (main/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list:52 and /etc/apt/sources.list:54
E: Failed to fetch store:/var/lib/apt/lists/partial/security.ubuntu.com_ubuntu_dists_xenial-security_main_dep11_icons-64x64.tar.gz Hash Sum mismatch
E: Some index files failed to download. They have been ignored, or old ones used instead.
W: Target Packages (main/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:52 and /etc/apt/sources.list:54
W: Target Packages (main/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:52 and /etc/apt/sources.list:54
W: Target Packages (main/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:52 and /etc/apt/sources.list:54
W: Target Translations (main/i18n/Translation-en_US) is configured multiple times in /etc/apt/sources.list:52 and /etc/apt/sources.list:54
W: Target Translations (main/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:52 and /etc/apt/sources.list:54
W: Target DEP-11 (main/dep11/Components-amd64.yml) is configured multiple times in /etc/apt/sources.list:52 and /etc/apt/sources.list:54
W: Target DEP-11-icons (main/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list:52 and /etc/apt/sources.list:54
E: Unable to parse package file /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_xenial-security_main_binary-amd64_Packages (1)
E: Unable to parse package file /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_xenial-security_main_binary-i386_Packages (1)
E: Unable to parse package file /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_xenial-security_main_binary-all_Packages (1)
E: Unable to parse package file /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_xenial-security_main_i18n_Translation-en (1)
E: Unable to parse package file /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_xenial-security_restricted_binary-amd64_Packages (1)
E: Unable to parse package file /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_xenial-security_restricted_binary-i386_Packages (1)
E: Unable to parse package file /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_xenial-security_restricted_binary-all_Packages (1)
E: Unable to parse package file /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_xenial-security_restricted_i18n_Translation-en (1)
E: Unable to parse package file /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_xenial-security_universe_binary-amd64_Packages (1)
E: Unable to parse package file /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_xenial-security_universe_binary-i386_Packages (1)
E: Unable to parse package file /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_xenial-security_universe_binary-all_Packages (1)
E: Unable to parse package file /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_xenial-security_universe_i18n_Translation-en (1)
E: Unable to parse package file /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_xenial-security_multiverse_binary-amd64_Packages (1)
E: Unable to parse package file /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_xenial-security_multiverse_binary-i386_Packages (1)
E: Unable to parse package file /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_xenial-security_multiverse_binary-all_Packages (1)
E: Unable to parse package file /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_xenial-security_multiverse_i18n_Translation-en (1)
W: You may want to run apt-get update to correct these problems
E: The package cache file is corrupted
问题不同，因为有大量警告和错误。我们有相同的错误消息，但问题不同。
答案1
尝试这个修复方法：
打开文件
/etc/apt/sources.list：sudo nano /etc/apt/sources.list注释掉任意一行
52或者在选择的开头54加上。#现在运行
sudo apt update
现在做（警告：复制粘贴，不要漏掉*）：
sudo rm -rf /var/lib/apt/lists/*
sudo apt update