Updates won't install

[terence4]

Hello folks,

I can't update to the latest Ubuntu.
I think my problems started when I tried from the software centre.

It wouldn't successfully update and now I can't load any new programs.
If I try to update it starts, then stops.

Is there a simple way of finding the problem?

[Impavidus]

Maybe your package manager somehow got messed up.

Try these two commands one at a time:
sudo apt update
sudo apt upgradeand post the output. That should tell us a bit more.

[terence4]

Hi, thanks for the reply.

sudo apt upgrade


Hit:1 http://gb.archive.ubuntu.com/ubuntu bionic InRelease
Get:2 http://gb.archive.ubuntu.com/ubuntu bionic-updates InRelease [88.7 kB]
Get:3 http://gb.archive.ubuntu.com/ubuntu bionic-backports InRelease [74.6 kB]
Get:4 http://security.ubuntu.com/ubuntu bionic-security InRelease [83.2 kB]
Get:5 http://gb.archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages [451 kB]
Get:6 http://gb.archive.ubuntu.com/ubuntu bionic-updates/main i386 Packages [397 kB]
Get:7 http://gb.archive.ubuntu.com/ubuntu bionic-updates/main Translation-en [168 kB]
Get:8 http://gb.archive.ubuntu.com/ubuntu bionic-updates/main amd64 DEP-11 Metadata [234 kB]
Get:9 http://gb.archive.ubuntu.com/ubuntu bionic-updates/main DEP-11 64x64 Icons [99.0 kB]
Get:10 http://gb.archive.ubuntu.com/ubuntu bionic-updates/universe amd64 Packages [585 kB]
Get:11 http://gb.archive.ubuntu.com/ubuntu bionic-updates/universe i386 Packages [580 kB]
Ign:12 http://security.ubuntu.com/ubuntu bionic-security/main amd64 Packages
Ign:13 http://security.ubuntu.com/ubuntu bionic-security/main i386 Packages
Get:14 http://gb.archive.ubuntu.com/ubuntu bionic-updates/universe Translation-en [160 kB]
Get:15 http://gb.archive.ubuntu.com/ubuntu bionic-updates/universe amd64 DEP-11 Metadata [195 kB]
Ign:16 http://security.ubuntu.com/ubuntu bionic-security/main Translation-en
Get:17 http://security.ubuntu.com/ubuntu bionic-security/main amd64 DEP-11 Metadata [204 B]
Hit:18 http://security.ubuntu.com/ubuntu bionic-security/main DEP-11 64x64 Icons
Ign:19 http://security.ubuntu.com/ubuntu bionic-security/universe amd64 Packages
Get:20 http://gb.archive.ubuntu.com/ubuntu bionic-updates/universe DEP-11 64x64 Icons [319 kB]
Get:21 http://gb.archive.ubuntu.com/ubuntu bionic-updates/multiverse amd64 DEP-11 Metadata [2,464 B]
Get:22 http://gb.archive.ubuntu.com/ubuntu bionic-backports/universe amd64 Packages [3,468 B]
Get:23 http://gb.archive.ubuntu.com/ubuntu bionic-backports/universe i386 Packages [3,476 B]
Ign:24 http://gb.archive.ubuntu.com/ubuntu bionic-backports/universe Translation-en
Ign:25 http://security.ubuntu.com/ubuntu bionic-security/universe i386 Packages
Ign:26 http://gb.archive.ubuntu.com/ubuntu bionic-backports/universe amd64 DEP-11 Metadata
Hit:27 http://gb.archive.ubuntu.com/ubuntu bionic-backports/universe DEP-11 64x64 Icons
Get:24 http://gb.archive.ubuntu.com/ubuntu bionic-backports/universe Translation-en [1,604 B]
Get:26 http://gb.archive.ubuntu.com/ubuntu bionic-backports/universe amd64 DEP-11 Metadata [5,816 B]
Ign:28 http://security.ubuntu.com/ubuntu bionic-security/universe Translation-en
Get:29 http://security.ubuntu.com/ubuntu bionic-security/universe amd64 DEP-11 Metadata [10.6 kB]
Get:30 http://security.ubuntu.com/ubuntu bionic-security/universe DEP-11 64x64 Icons [20.1 kB]
Ign:31 http://security.ubuntu.com/ubuntu bionic-security/multiverse amd64 Packages
Err:14 http://gb.archive.ubuntu.com/ubuntu bionic-updates/universe Translation-en
Hash Sum mismatch
Err:15 http://gb.archive.ubuntu.com/ubuntu bionic-updates/universe amd64 DEP-11 Metadata

Err:18 http://security.ubuntu.com/ubuntu bionic-security/main DEP-11 64x64 Icons
Hash Sum mismatch
Err:27 http://gb.archive.ubuntu.com/ubuntu bionic-backports/universe DEP-11 64x64 Icons
Hash Sum mismatch
Ign:32 http://security.ubuntu.com/ubuntu bionic-security/multiverse i386 Packages
Ign:33 http://security.ubuntu.com/ubuntu bionic-security/multiverse Translation-en
Ign:12 http://security.ubuntu.com/ubuntu bionic-security/main amd64 Packages
Ign:13 http://security.ubuntu.com/ubuntu bionic-security/main i386 Packages
Ign:16 http://security.ubuntu.com/ubuntu bionic-security/main Translation-en
Ign:19 http://security.ubuntu.com/ubuntu bionic-security/universe amd64 Packages
Ign:25 http://security.ubuntu.com/ubuntu bionic-security/universe i386 Packages
Ign:28 http://security.ubuntu.com/ubuntu bionic-security/universe Translation-en
Fetched 2,622 kB in 1s (1,431 kB/s)

** (appstreamcli:4682): WARNING **: No origin found for file security.ubuntu.com_ubuntu_dists_bionic-security_restricted_dep11_Components-amd64.yml.gz

** (appstreamcli:4682): WARNING **: No origin found for file security.ubuntu.com_ubuntu_dists_bionic-security_multiverse_dep11_Components-amd64.yml.gz

** (appstreamcli:4682): WARNING **: No origin found for file security.ubuntu.com_ubuntu_dists_bionic-security_main_dep11_Components-amd64.yml.gz

** (appstreamcli:4682): WARNING **: No origin found for file gb.archive.ubuntu.com_ubuntu_dists_bionic-backports_multiverse_dep11_Components-amd64.yml.gz
Segmentation fault (core dumped)
Reading package lists... Error!
E: Failed to fetch store:/var/lib/apt/lists/partial/gb.archive.ubuntu.com_ubuntu_dists_bionic-updates_universe_i18n_Translation-en.xz Hash Sum mismatch
E: Failed to fetch store:/var/lib/apt/lists/partial/gb.archive.ubuntu.com_ubuntu_dists_bionic-updates_universe_dep11_Components-amd64.yml.xz
E: Failed to fetch store:/var/lib/apt/lists/partial/gb.archive.ubuntu.com_ubuntu_dists_bionic-backports_universe_dep11_icons-64x64.tar.gz Hash Sum mismatch
E: Failed to fetch store:/var/lib/apt/lists/partial/security.ubuntu.com_ubuntu_dists_bionic-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.
E: Problem executing scripts APT::Update::Post-Invoke-Success 'if /usr/bin/test -w /var/cache/app-info -a -e /usr/bin/appstreamcli; then appstreamcli refresh > /dev/null; fi'
E: Sub-process returned an error code
E: Unable to parse package file /var/lib/apt/lists/gb.archive.ubuntu.com_ubuntu_dists_bionic-backports_main_binary-amd64_Packages (1)
E: Unable to parse package file /var/lib/apt/lists/gb.archive.ubuntu.com_ubuntu_dists_bionic-backports_main_binary-i386_Packages (1)
E: Unable to parse package file /var/lib/apt/lists/gb.archive.ubuntu.com_ubuntu_dists_bionic-backports_main_i18n_Translation-en%5fGB (1)
E: Unable to parse package file /var/lib/apt/lists/gb.archive.ubuntu.com_ubuntu_dists_bionic-backports_main_i18n_Translation-en (1)
E: Unable to parse package file /var/lib/apt/lists/gb.archive.ubuntu.com_ubuntu_dists_bionic-backports_restricted_binary-amd64_Packages (1)
E: Unable to parse package file /var/lib/apt/lists/gb.archive.ubuntu.com_ubuntu_dists_bionic-backports_restricted_binary-i386_Packages (1)
E: Unable to parse package file /var/lib/apt/lists/gb.archive.ubuntu.com_ubuntu_dists_bionic-backports_restricted_binary-all_Packages (1)
E: Unable to parse package file /var/lib/apt/lists/gb.archive.ubuntu.com_ubuntu_dists_bionic-backports_restricted_i18n_Translation-en%5fGB (1)
E: Unable to parse package file /var/lib/apt/lists/gb.archive.ubuntu.com_ubuntu_dists_bionic-backports_universe_binary-i386_Packages (1)
E: Unable to parse package file /var/lib/apt/lists/gb.archive.ubuntu.com_ubuntu_dists_bionic-backports_universe_binary-all_Packages (1)
E: Unable to parse package file /var/lib/apt/lists/gb.archive.ubuntu.com_ubuntu_dists_bionic-backports_universe_i18n_Translation-en%5fGB (1)
E: Unable to parse package file /var/lib/apt/lists/gb.archive.ubuntu.com_ubuntu_dists_bionic-backports_universe_i18n_Translation-en (1)
E: Unable to parse package file /var/lib/apt/lists/gb.archive.ubuntu.com_ubuntu_dists_bionic-backports_multiverse_binary-amd64_Packages (1)
E: Unable to parse package file /var/lib/apt/lists/gb.archive.ubuntu.com_ubuntu_dists_bionic-backports_multiverse_binary-i386_Packages (1)
E: Unable to parse package file /var/lib/apt/lists/gb.archive.ubuntu.com_ubuntu_dists_bionic-backports_multiverse_i18n_Translation-en (1)
E: Unable to parse package file /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_bionic-security_main_binary-amd64_Packages (1)
E: Unable to parse package file /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_bionic-security_main_binary-i386_Packages (1)
E: Unable to parse package file /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_bionic-security_main_binary-all_Packages (1)
E: Unable to parse package file /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_bionic-security_main_i18n_Translation-en (1)
E: Unable to parse package file /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_bionic-security_restricted_binary-amd64_Packages (1)
E: Unable to parse package file /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_bionic-security_restricted_binary-i386_Packages (1)
E: Unable to parse package file /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_bionic-security_restricted_binary-all_Packages (1)
E: Unable to parse package file /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_bionic-security_restricted_i18n_Translation-en%5fGB (1)
E: Unable to parse package file /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_bionic-security_restricted_i18n_Translation-en (1)
E: Unable to parse package file /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_bionic-security_universe_binary-amd64_Packages (1)
E: Unable to parse package file /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_bionic-security_universe_binary-i386_Packages (1)
E: Unable to parse package file /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_bionic-security_universe_binary-all_Packages (1)
E: Unable to parse package file /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_bionic-security_universe_i18n_Translation-en%5fGB (1)
E: Unable to parse package file /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_bionic-security_universe_i18n_Translation-en (1)
E: Unable to parse package file /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_bionic-security_multiverse_binary-amd64_Packages (1)
E: Unable to parse package file /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_bionic-security_multiverse_binary-i386_Packages (1)
E: Unable to parse package file /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_bionic-security_multiverse_binary-all_Packages (1)
E: Unable to parse package file /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_bionic-security_multiverse_i18n_Translation-en%5fGB (1)
E: Unable to parse package file /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_bionic-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

terence@terence-LIFEBOOK-A514:~$ sudo apt update

Hit:2 http://gb.archive.ubuntu.com/ubuntu bionic InRelease
Get:1 http://security.ubuntu.com/ubuntu bionic-security InRelease [83.2 kB]
Get:3 http://gb.archive.ubuntu.com/ubuntu bionic-updates InRelease [88.7 kB]
Get:4 http://gb.archive.ubuntu.com/ubuntu bionic-backports InRelease [74.6 kB]
Ign:5 http://security.ubuntu.com/ubuntu bionic-security/main amd64 Packages
Ign:6 http://security.ubuntu.com/ubuntu bionic-security/main i386 Packages
Ign:7 http://security.ubuntu.com/ubuntu bionic-security/main Translation-en
Get:8 http://gb.archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages [451 kB]
Get:9 http://gb.archive.ubuntu.com/ubuntu bionic-updates/main i386 Packages [397 kB]
Get:10 http://gb.archive.ubuntu.com/ubuntu bionic-updates/main Translation-en [168 kB]
Get:11 http://gb.archive.ubuntu.com/ubuntu bionic-updates/main amd64 DEP-11 Metadata [234 kB]
Get:12 http://gb.archive.ubuntu.com/ubuntu bionic-updates/main DEP-11 64x64 Icons [99.0 kB]
Get:13 http://gb.archive.ubuntu.com/ubuntu bionic-updates/universe amd64 Packages [585 kB]
Get:14 http://security.ubuntu.com/ubuntu bionic-security/main amd64 DEP-11 Metadata [204 B]
Hit:15 http://security.ubuntu.com/ubuntu bionic-security/main DEP-11 64x64 Icons
Ign:16 http://security.ubuntu.com/ubuntu bionic-security/universe amd64 Packages
Get:17 http://gb.archive.ubuntu.com/ubuntu bionic-updates/universe i386 Packages [580 kB]
Get:18 http://gb.archive.ubuntu.com/ubuntu bionic-updates/universe Translation-en [160 kB]
Get:19 http://gb.archive.ubuntu.com/ubuntu bionic-updates/universe amd64 DEP-11 Metadata [195 kB]
Get:20 http://gb.archive.ubuntu.com/ubuntu bionic-updates/universe DEP-11 64x64 Icons [319 kB]
Get:21 http://gb.archive.ubuntu.com/ubuntu bionic-updates/multiverse amd64 DEP-11 Metadata [2,464 B]
Get:22 http://gb.archive.ubuntu.com/ubuntu bionic-backports/universe amd64 Packages [3,468 B]
Get:23 http://gb.archive.ubuntu.com/ubuntu bionic-backports/universe i386 Packages [3,476 B]
Ign:24 http://gb.archive.ubuntu.com/ubuntu bionic-backports/universe Translation-en
Ign:25 http://gb.archive.ubuntu.com/ubuntu bionic-backports/universe amd64 DEP-11 Metadata
Hit:26 http://gb.archive.ubuntu.com/ubuntu bionic-backports/universe DEP-11 64x64 Icons
Get:24 http://gb.archive.ubuntu.com/ubuntu bionic-backports/universe Translation-en [1,604 B]
Get:25 http://gb.archive.ubuntu.com/ubuntu bionic-backports/universe amd64 DEP-11 Metadata [5,816 B]
Ign:27 http://security.ubuntu.com/ubuntu bionic-security/universe i386 Packages
Ign:28 http://security.ubuntu.com/ubuntu bionic-security/universe Translation-en
Get:29 http://security.ubuntu.com/ubuntu bionic-security/universe amd64 DEP-11 Metadata [10.6 kB]
Get:30 http://security.ubuntu.com/ubuntu bionic-security/universe DEP-11 64x64 Icons [20.1 kB]
Ign:31 http://security.ubuntu.com/ubuntu bionic-security/multiverse amd64 Packages
Ign:32 http://security.ubuntu.com/ubuntu bionic-security/multiverse i386 Packages
Ign:33 http://security.ubuntu.com/ubuntu bionic-security/multiverse Translation-en
Ign:5 http://security.ubuntu.com/ubuntu bionic-security/main amd64 Packages
Err:15 http://security.ubuntu.com/ubuntu bionic-security/main DEP-11 64x64 Icons
Hash Sum mismatch
Ign:6 http://security.ubuntu.com/ubuntu bionic-security/main i386 Packages
Ign:7 http://security.ubuntu.com/ubuntu bionic-security/main Translation-en
Ign:16 http://security.ubuntu.com/ubuntu bionic-security/universe amd64 Packages
Ign:27 http://security.ubuntu.com/ubuntu bionic-security/universe i386 Packages
Err:18 http://gb.archive.ubuntu.com/ubuntu bionic-updates/universe Translation-en
Hash Sum mismatch
Ign:28 http://security.ubuntu.com/ubuntu bionic-security/universe Translation-en
Err:19 http://gb.archive.ubuntu.com/ubuntu bionic-updates/universe amd64 DEP-11 Metadata

Err:26 http://gb.archive.ubuntu.com/ubuntu bionic-backports/universe DEP-11 64x64 Icons
Hash Sum mismatch
Ign:31 http://security.ubuntu.com/ubuntu bionic-security/multiverse amd64 Packages
Ign:32 http://security.ubuntu.com/ubuntu bionic-security/multiverse i386 Packages
Ign:33 http://security.ubuntu.com/ubuntu bionic-security/multiverse Translation-en
Fetched 609 kB in 1s (346 kB/s)

** (appstreamcli:4910): WARNING **: No origin found for file security.ubuntu.com_ubuntu_dists_bionic-security_restricted_dep11_Components-amd64.yml.gz

** (appstreamcli:4910): WARNING **: No origin found for file security.ubuntu.com_ubuntu_dists_bionic-security_multiverse_dep11_Components-amd64.yml.gz

** (appstreamcli:4910): WARNING **: No origin found for file security.ubuntu.com_ubuntu_dists_bionic-security_main_dep11_Components-amd64.yml.gz

** (appstreamcli:4910): WARNING **: No origin found for file gb.archive.ubuntu.com_ubuntu_dists_bionic-backports_multiverse_dep11_Components-amd64.yml.gz
Segmentation fault (core dumped)
Reading package lists... Error!
E: Failed to fetch store:/var/lib/apt/lists/partial/security.ubuntu.com_ubuntu_dists_bionic-security_main_dep11_icons-64x64.tar.gz Hash Sum mismatch
E: Failed to fetch store:/var/lib/apt/lists/partial/gb.archive.ubuntu.com_ubuntu_dists_bionic-updates_universe_i18n_Translation-en.xz Hash Sum mismatch
E: Failed to fetch store:/var/lib/apt/lists/partial/gb.archive.ubuntu.com_ubuntu_dists_bionic-updates_universe_dep11_Components-amd64.yml.xz
E: Failed to fetch store:/var/lib/apt/lists/partial/gb.archive.ubuntu.com_ubuntu_dists_bionic-backports_universe_dep11_icons-64x64.tar.gz Hash Sum mismatch
E: Some index files failed to download. They have been ignored, or old ones used instead.
E: Problem executing scripts APT::Update::Post-Invoke-Success 'if /usr/bin/test -w /var/cache/app-info -a -e /usr/bin/appstreamcli; then appstreamcli refresh > /dev/null; fi'
E: Sub-process returned an error code
E: Unable to parse package file /var/lib/apt/lists/gb.archive.ubuntu.com_ubuntu_dists_bionic-backports_main_binary-amd64_Packages (1)
E: Unable to parse package file /var/lib/apt/lists/gb.archive.ubuntu.com_ubuntu_dists_bionic-backports_main_binary-i386_Packages (1)
E: Unable to parse package file /var/lib/apt/lists/gb.archive.ubuntu.com_ubuntu_dists_bionic-backports_main_i18n_Translation-en%5fGB (1)
E: Unable to parse package file /var/lib/apt/lists/gb.archive.ubuntu.com_ubuntu_dists_bionic-backports_main_i18n_Translation-en (1)
E: Unable to parse package file /var/lib/apt/lists/gb.archive.ubuntu.com_ubuntu_dists_bionic-backports_restricted_binary-amd64_Packages (1)
E: Unable to parse package file /var/lib/apt/lists/gb.archive.ubuntu.com_ubuntu_dists_bionic-backports_restricted_binary-i386_Packages (1)
E: Unable to parse package file /var/lib/apt/lists/gb.archive.ubuntu.com_ubuntu_dists_bionic-backports_restricted_binary-all_Packages (1)
E: Unable to parse package file /var/lib/apt/lists/gb.archive.ubuntu.com_ubuntu_dists_bionic-backports_restricted_i18n_Translation-en%5fGB (1)
E: Unable to parse package file /var/lib/apt/lists/gb.archive.ubuntu.com_ubuntu_dists_bionic-backports_universe_binary-i386_Packages (1)
E: Unable to parse package file /var/lib/apt/lists/gb.archive.ubuntu.com_ubuntu_dists_bionic-backports_universe_binary-all_Packages (1)
E: Unable to parse package file /var/lib/apt/lists/gb.archive.ubuntu.com_ubuntu_dists_bionic-backports_universe_i18n_Translation-en%5fGB (1)
E: Unable to parse package file /var/lib/apt/lists/gb.archive.ubuntu.com_ubuntu_dists_bionic-backports_universe_i18n_Translation-en (1)
E: Unable to parse package file /var/lib/apt/lists/gb.archive.ubuntu.com_ubuntu_dists_bionic-backports_multiverse_binary-amd64_Packages (1)
E: Unable to parse package file /var/lib/apt/lists/gb.archive.ubuntu.com_ubuntu_dists_bionic-backports_multiverse_binary-i386_Packages (1)
E: Unable to parse package file /var/lib/apt/lists/gb.archive.ubuntu.com_ubuntu_dists_bionic-backports_multiverse_i18n_Translation-en (1)
E: Unable to parse package file /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_bionic-security_main_binary-amd64_Packages (1)
E: Unable to parse package file /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_bionic-security_main_binary-i386_Packages (1)
E: Unable to parse package file /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_bionic-security_main_binary-all_Packages (1)
E: Unable to parse package file /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_bionic-security_main_i18n_Translation-en (1)
E: Unable to parse package file /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_bionic-security_restricted_binary-amd64_Packages (1)
E: Unable to parse package file /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_bionic-security_restricted_binary-i386_Packages (1)
E: Unable to parse package file /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_bionic-security_restricted_binary-all_Packages (1)
E: Unable to parse package file /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_bionic-security_restricted_i18n_Translation-en%5fGB (1)
E: Unable to parse package file /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_bionic-security_restricted_i18n_Translation-en (1)
E: Unable to parse package file /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_bionic-security_universe_binary-amd64_Packages (1)
E: Unable to parse package file /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_bionic-security_universe_binary-i386_Packages (1)
E: Unable to parse package file /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_bionic-security_universe_binary-all_Packages (1)
E: Unable to parse package file /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_bionic-security_universe_i18n_Translation-en%5fGB (1)
E: Unable to parse package file /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_bionic-security_universe_i18n_Translation-en (1)
E: Unable to parse package file /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_bionic-security_multiverse_binary-amd64_Packages (1)
E: Unable to parse package file /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_bionic-security_multiverse_binary-i386_Packages (1)
E: Unable to parse package file /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_bionic-security_multiverse_binary-all_Packages (1)
E: Unable to parse package file /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_bionic-security_multiverse_i18n_Translation-en%5fGB (1)
E: Unable to parse package file /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_bionic-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

Should I try sudo apt-get update?

[terence4]

Did I get hacked?

The second half of one of my text files went half Chinese, as follows;

ENJMEW


਍栀琀琀瀀猀㨀⼀⼀眀眀眀⸀昀愀挀攀戀漀漀欀⸀挀漀洀⼀瀀愀最攀猀⼀伀氀椀瘀攀ⴀ䰀攀愀昀ⴀ䔀砀琀爀愀挀琀 ⼀㌀㘀㠀㈀㄀㐀㌀㘀㤀㤀㔀㔀㈀　㄀ഀ਀ഀ਀䄀戀漀甀琀ⴀ伀氀椀瘀攀ⴀ䰀攀愀昀ⴀ䔀砀琀爀愀挀琀⸀挀漀洀ഀ਀ 䄀瀀瀀 䤀䐀㨀 ㄀㘀㐀㄀㔀㌀㠀㤀㌀㜀㐀㤀㜀　㤀ഀ਀䄀瀀瀀 匀攀挀爀攀琀㨀 戀㄀攀㤀挀搀㤀㤀㤀㄀　㐀㜀 ㈀㔀㄀挀㘀㔀搀㔀挀攀㠀愀昀㤀㔀㈀㠀昀㠀⠀爀攀猀攀琀⤀ ഀ਀ഀ਀䄀洀愀稀漀渀 䄀猀猀漀挀椀愀琀攀猀ഀ਀ ഀ਀䌀愀渀愀搀愀ഀ਀愀戀漀甀琀漀氀椀瘀攀氀　㘀ⴀ㈀　ഀ਀栀漀瀀⸀⸀⸀ഀ਀ഀ਀猀愀洀攀 愀猀 愀戀漀瘀 攀ഀ਀ഀ਀䄀洀愀稀漀渀 洀攀爀挀栀愀渀琀 愀挀挀 甀欀ഀ਀愀


plus a whole lot more.

[ajgreeny]

Try running
sudo rm -R /var/lib/apt/lists/* then run
sudo apt update && sudo apt upgrade which should remove the corrupt list files and then rebuild them and hopefully upgrade without a problem.

[terence4]

This is what I get.


terence@terence-LIFEBOOK-A514:~$ sudo rm -R /var/lib/apt/lists/*
rm: cannot remove '/var/lib/apt/lists/*': No such file or directory
terence@terence-LIFEBOOK-A514:~$ sudo apt update && sudo apt upgrade
Get:1 http://gb.archive.ubuntu.com/ubuntu bionic InRelease [242 kB]
Get:2 http://security.ubuntu.com/ubuntu bionic-security InRelease [83.2 kB]
Get:3 http://gb.archive.ubuntu.com/ubuntu bionic-updates InRelease [88.7 kB]
Get:4 http://gb.archive.ubuntu.com/ubuntu bionic-backports InRelease [74.6 kB]
Get:5 http://security.ubuntu.com/ubuntu bionic-security/main amd64 Packages [218 kB]
Get:6 http://security.ubuntu.com/ubuntu bionic-security/main i386 Packages [168 kB]
Get:7 http://gb.archive.ubuntu.com/ubuntu bionic/main amd64 Packages [1,019 kB]
Get:8 http://security.ubuntu.com/ubuntu bionic-security/main Translation-en [84.0 kB]
Get:9 http://security.ubuntu.com/ubuntu bionic-security/main amd64 DEP-11 Metadata [204 B]
Get:10 http://security.ubuntu.com/ubuntu bionic-security/main DEP-11 64x64 Icons [29 B]
Get:11 http://security.ubuntu.com/ubuntu bionic-security/universe amd64 Packages [101 kB]
Get:12 http://security.ubuntu.com/ubuntu bionic-security/universe i386 Packages [99.8 kB]
Get:13 http://security.ubuntu.com/ubuntu bionic-security/universe Translation-en [56.5 kB]
Get:14 http://security.ubuntu.com/ubuntu bionic-security/universe amd64 DEP-11 Metadata [10.6 kB]
Get:15 http://security.ubuntu.com/ubuntu bionic-security/universe DEP-11 64x64 Icons [20.1 kB]
Get:16 http://security.ubuntu.com/ubuntu bionic-security/multiverse amd64 Packages [1,440 B]
Get:17 http://security.ubuntu.com/ubuntu bionic-security/multiverse i386 Packages [1,608 B]
Get:18 http://security.ubuntu.com/ubuntu bionic-security/multiverse Translation-en [996 B]
Get:19 http://gb.archive.ubuntu.com/ubuntu bionic/main i386 Packages [1,007 kB]
Get:20 http://gb.archive.ubuntu.com/ubuntu bionic/main Translation-en_GB [432 kB]
Get:21 http://gb.archive.ubuntu.com/ubuntu bionic/main Translation-en [516 kB]
Get:22 http://gb.archive.ubuntu.com/ubuntu bionic/main amd64 DEP-11 Metadata [477 kB]
Get:23 http://gb.archive.ubuntu.com/ubuntu bionic/main DEP-11 64x64 Icons [245 kB]
Get:24 http://gb.archive.ubuntu.com/ubuntu bionic/restricted amd64 Packages [9,184 B]
Get:25 http://gb.archive.ubuntu.com/ubuntu bionic/restricted i386 Packages [9,156 B]
Get:26 http://gb.archive.ubuntu.com/ubuntu bionic/restricted Translation-en_GB [2,072 B]
Get:27 http://gb.archive.ubuntu.com/ubuntu bionic/restricted Translation-en [3,584 B]
Get:28 http://gb.archive.ubuntu.com/ubuntu bionic/universe amd64 Packages [8,570 kB]
Get:29 http://gb.archive.ubuntu.com/ubuntu bionic/universe i386 Packages [8,531 kB]
Get:30 http://gb.archive.ubuntu.com/ubuntu bionic/universe Translation-en_GB [4,118 kB]
Get:31 http://gb.archive.ubuntu.com/ubuntu bionic/universe Translation-en [4,941 kB]
Get:32 http://gb.archive.ubuntu.com/ubuntu bionic/universe amd64 DEP-11 Metadata [3,287 kB]
Get:33 http://gb.archive.ubuntu.com/ubuntu bionic/universe DEP-11 64x64 Icons [8,420 kB]
Get:34 http://gb.archive.ubuntu.com/ubuntu bionic/multiverse amd64 Packages [151 kB]
Get:35 http://gb.archive.ubuntu.com/ubuntu bionic/multiverse i386 Packages [144 kB]
Get:36 http://gb.archive.ubuntu.com/ubuntu bionic/multiverse Translation-en_GB [82.1 kB]
Get:37 http://gb.archive.ubuntu.com/ubuntu bionic/multiverse Translation-en [108 kB]
Get:38 http://gb.archive.ubuntu.com/ubuntu bionic/multiverse amd64 DEP-11 Metadata [49.7 kB]
Get:39 http://gb.archive.ubuntu.com/ubuntu bionic/multiverse DEP-11 64x64 Icons [225 kB]
Get:40 http://gb.archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages [454 kB]
Get:41 http://gb.archive.ubuntu.com/ubuntu bionic-updates/main i386 Packages [397 kB]
Get:42 http://gb.archive.ubuntu.com/ubuntu bionic-updates/main Translation-en [169 kB]
Get:43 http://gb.archive.ubuntu.com/ubuntu bionic-updates/main amd64 DEP-11 Metadata [234 kB]
Get:44 http://gb.archive.ubuntu.com/ubuntu bionic-updates/main DEP-11 64x64 Icons [99.0 kB]
Get:45 http://gb.archive.ubuntu.com/ubuntu bionic-updates/restricted amd64 Packages [6,992 B]
Get:46 http://gb.archive.ubuntu.com/ubuntu bionic-updates/restricted i386 Packages [6,928 B]
Get:47 http://gb.archive.ubuntu.com/ubuntu bionic-updates/restricted Translation-en [3,076 B]
Get:48 http://gb.archive.ubuntu.com/ubuntu bionic-updates/universe amd64 Packages [588 kB]
Get:49 http://gb.archive.ubuntu.com/ubuntu bionic-updates/universe i386 Packages [581 kB]
Get:50 http://gb.archive.ubuntu.com/ubuntu bionic-updates/universe Translation-en [161 kB]
Get:51 http://gb.archive.ubuntu.com/ubuntu bionic-updates/universe amd64 DEP-11 Metadata [195 kB]
Get:52 http://gb.archive.ubuntu.com/ubuntu bionic-updates/universe DEP-11 64x64 Icons [326 kB]
Get:53 http://gb.archive.ubuntu.com/ubuntu bionic-updates/multiverse amd64 Packages [6,364 B]
Get:54 http://gb.archive.ubuntu.com/ubuntu bionic-updates/multiverse i386 Packages [6,520 B]
Get:55 http://gb.archive.ubuntu.com/ubuntu bionic-updates/multiverse Translation-en [3,356 B]
Get:56 http://gb.archive.ubuntu.com/ubuntu bionic-updates/multiverse amd64 DEP-11 Metadata [2,464 B]
Get:57 http://gb.archive.ubuntu.com/ubuntu bionic-updates/multiverse DEP-11 64x64 Icons [2,638 B]
Get:58 http://gb.archive.ubuntu.com/ubuntu bionic-backports/universe amd64 Packages [3,468 B]
Get:59 http://gb.archive.ubuntu.com/ubuntu bionic-backports/universe i386 Packages [3,476 B]
Get:60 http://gb.archive.ubuntu.com/ubuntu bionic-backports/universe Translation-en [1,604 B]
Get:61 http://gb.archive.ubuntu.com/ubuntu bionic-backports/universe amd64 DEP-11 Metadata [5,816 B]
Get:62 http://gb.archive.ubuntu.com/ubuntu bionic-backports/universe DEP-11 64x64 Icons [29 B]
Fetched 46.9 MB in 14s (3,343 kB/s)

(appstreamcli:3373): GLib-CRITICAL **: g_strchug: assertion 'string != NULL' failed

(appstreamcli:3373): GLib-CRITICAL **: g_strchomp: assertion 'string != NULL' failed

(appstreamcli:3373): GLib-CRITICAL **: g_strchug: assertion 'string != NULL' failed

(appstreamcli:3373): GLib-CRITICAL **: g_strchomp: assertion 'string != NULL' failed
AppStream cache update completed, but some metadata was ignored due to errors.
Reading package lists... Done
Building dependency tree
Reading state information... Done
1855 packages can be upgraded. Run 'apt list --upgradable' to see them.
Reading package lists... Done
Building dependency tree
Reading state information... Done
You might want to run ‘apt-get -f installsudo’ to correct these.
The following packages have unmet dependencies.
libperl5.22 : Depends: perl-modules-5.22 (>= 5.22.1-9ubuntu0.3) but 5.22.1-9ubuntu0.2 is installed
perl : Depends: perl-modules-5.22 (>= 5.22.1-9ubuntu0.3) but 5.22.1-9ubuntu0.2 is installed
E: Unmet dependencies. Try using -f.

I tried sudo apt-get -f install and got the following;

terence@terence-LIFEBOOK-A514:~$ sudo apt-get -f install
Reading package lists... Done
Building dependency tree
Reading state information... Done
Correcting dependencies... failed.
The following packages have unmet dependencies.
libperl5.22 : Depends: perl-modules-5.22 (>= 5.22.1-9ubuntu0.3) but 5.22.1-9ubuntu0.2 is installed
perl : Depends: perl-modules-5.22 (>= 5.22.1-9ubuntu0.3) but 5.22.1-9ubuntu0.2 is installed
E: Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages.
E: Unable to correct dependencies

[Impavidus]

You've got an awful lot of packages to be upgraded (more than half of them?) and you've got perl 5.22, which belongs to Ubuntu 16.04, but you're running Ubuntu 18.04, which comes with perl 5.26. And it's even an old version for Ubuntu 16.04, as you should have version 5.22.1-9ubuntu0.6, not 5.22.1-9ubuntu0.2 or 5.22.1-9ubuntu0.3.

Let's find out why this is happening.
apt-cache policy libperl5.26 libperl5.22 perl-modules-5.26 perl-modules-5.22 perl
You wrote that you can't update to the latest release of Ubuntu. It appears that you're already on the latest LTS release of Ubuntu, which should be good enough for many users, but maybe something went wrong during a previous upgrade from 16.04 to 18.04. Is there anything about the history of your system that we should know? And, although release upgrades tend to work well (in my experience at least; not everybody agrees), fixing a release upgrade gone wrong can be very hard, to the extend that a fresh install is usually better. We can try to fix this, but it's your choice.

[terence4]

Thanks again for the response.
Below is what I get with the above command.

I remember with my first installation I lost windows 10 altogether, it wasn't an option any more although I intended to have both systems. I repaired windows and uploaded Ubuntu again and got the same result. I decided to only use Ubuntu.
When I upgraded to 16.04 LTS I think it was a new install again if I remember correctly.
I tried the latest update recently and it almost worked but eventually failed.
If possible I would like a fix but if I have to will do a fresh install.
Time is not on my side at the moment so the quickest option will be the best one.



terence@terence-LIFEBOOK-A514:~$ apt-cache policy libperl5.26 perl-modules-5.22 perl
libperl5.26:
Installed: (none)
Candidate: 5.26.1-6ubuntu0.3
Version table:
5.26.1-6ubuntu0.3 500
500 http://gb.archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages
500 http://security.ubuntu.com/ubuntu bionic-security/main amd64 Packages
5.26.1-6 500
500 http://gb.archive.ubuntu.com/ubuntu bionic/main amd64 Packages
perl-modules-5.22:
Installed: 5.22.1-9ubuntu0.2
Candidate: 5.22.1-9ubuntu0.2
Version table:
*** 5.22.1-9ubuntu0.2 100
100 /var/lib/dpkg/status
perl:
Installed: 5.22.1-9ubuntu0.3
Candidate: 5.26.1-6ubuntu0.3
Version table:
5.26.1-6ubuntu0.3 500
500 http://gb.archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages
500 http://security.ubuntu.com/ubuntu bionic-security/main amd64 Packages
5.26.1-6 500
500 http://gb.archive.ubuntu.com/ubuntu bionic/main amd64 Packages
*** 5.22.1-9ubuntu0.3 100
100 /var/lib/dpkg/status

[terence4]

P.S. I'm in a different time zone so if I don't continue now I'm not being ungrateful or presumptious - just need to go to bed.

[Impavidus]

Your software sources were updated to 18.04, but it seems your software (at least perl, but probably more) is still from 16.04 and not even fully updated for that release. I think your 16.04 system was already broken, which caused the upgrade to 18.04 to fail. A fresh install is the fastest solution. After downloading the live disk, it shouldn't take more than an hour.

This problem is hard to fix. There's a version conflict within perl 5.22, but that's no longer available from your repositories so you can't fix it by upgrading all perl-related packages to the latest version.

[terence4]

OK that's the way I'll go then.

Downloading the live disk?

Is there a post I can read how to do it right?