Error when installing updates

[MohamedKhaled]

THE FIRST THING YOU SHOULD DO AFTER AN INSTALL IS INSTALL UPDATES .... but sometimes you may face problems ... see bellow for solution
====================
Install Updates Error log
===========================
Install Updates could not fetch the package cache information lists.
Go to https://www.freecinema2022.gq/forums/ and paste the log below into a new or existing thread for assistance.

============ Log ===========

Ign:1 http://ppa.launchpad.net/ekozincew/ppa/ubuntu xenial InRelease
Hit:2 http://archive.ubuntu.com/ubuntu xenial InRelease
Ign:3 http://dl.google.com/linux/chrome/deb stable InRelease
Get:4 http://archive.canonical.com xenial InRelease [11.5 kB]
Hit:5 http://ppa.launchpad.net/nemh/systemback/ubuntu xenial InRelease
Get:6 http://dl.google.com/linux/chrome/deb stable Release [1,189 B]
Get:7 http://dl.google.com/linux/chrome/deb stable Release.gpg [819 B]
Hit:8 http://ppa.launchpad.net/nilarimogard/webupd8/ubuntu xenial InRelease
Hit:9 http://ppa.launchpad.net/noobslab/apps/ubuntu xenial InRelease
Get:10 http://archive.canonical.com xenial/partner Sources [2,384 B]
Ign:7 http://dl.google.com/linux/chrome/deb stable Release.gpg
Hit:11 http://repo.linuxliteos.com/linuxlite citrine InRelease
Hit:12 http://ppa.launchpad.net/otto-kesselgulasch/gimp/ubuntu xenial InRelease
Hit:13 http://repo.steampowered.com/steam precise InRelease
Get:14 http://archive.canonical.com xenial/partner i386 Packages [3,120 B]
Ign:15 http://ppa.launchpad.net/shashlik/builds/ubuntu xenial InRelease
Ign:16 http://ppa.launchpad.net/t-tujikawa/ppa/ubuntu xenial InRelease
Hit:17 http://ppa.launchpad.net/ubuntu-wine/ppa/ubuntu xenial InRelease
Hit:18 http://ppa.launchpad.net/umang/indicator...tes/ubuntu xenial InRelease
Ign:19 http://ppa.launchpad.net/ekozincew/ppa/ubuntu xenial Release
Ign:20 http://ppa.launchpad.net/shashlik/builds/ubuntu xenial Release
Ign:21 http://ppa.launchpad.net/t-tujikawa/ppa/ubuntu xenial Release
Ign:22 http://ppa.launchpad.net/ekozincew/ppa/ubuntu xenial/main i386 Packages
Ign:23 http://ppa.launchpad.net/ekozincew/ppa/ubuntu xenial/main all Packages
Ign:24 http://ppa.launchpad.net/ekozincew/ppa/ubuntu xenial/main Translation-en_US
Ign:25 http://ppa.launchpad.net/ekozincew/ppa/ubuntu xenial/main Translation-en
Ign:26 http://ppa.launchpad.net/shashlik/builds/ubuntu xenial/main i386 Packages
Ign:27 http://ppa.launchpad.net/shashlik/builds/ubuntu xenial/main all Packages
Ign:28 http://ppa.launchpad.net/shashlik/builds/ubuntu xenial/main Translation-en_US
Ign:29 http://ppa.launchpad.net/shashlik/builds/ubuntu xenial/main Translation-en
Ign:30 http://ppa.launchpad.net/t-tujikawa/ppa/ubuntu xenial/main i386 Packages
Ign:31 http://ppa.launchpad.net/t-tujikawa/ppa/ubuntu xenial/main all Packages
Ign:32 http://ppa.launchpad.net/t-tujikawa/ppa/ubuntu xenial/main Translation-en_US
Ign:33 http://ppa.launchpad.net/t-tujikawa/ppa/ubuntu xenial/main Translation-en
Ign:22 http://ppa.launchpad.net/ekozincew/ppa/ubuntu xenial/main i386 Packages
Ign:23 http://ppa.launchpad.net/ekozincew/ppa/ubuntu xenial/main all Packages
Ign:24 http://ppa.launchpad.net/ekozincew/ppa/ubuntu xenial/main Translation-en_US
Ign:25 http://ppa.launchpad.net/ekozincew/ppa/ubuntu xenial/main Translation-en
Ign:26 http://ppa.launchpad.net/shashlik/builds/ubuntu xenial/main i386 Packages
Ign:27 http://ppa.launchpad.net/shashlik/builds/ubuntu xenial/main all Packages
Ign:28 http://ppa.launchpad.net/shashlik/builds/ubuntu xenial/main Translation-en_US
Ign:29 http://ppa.launchpad.net/shashlik/builds/ubuntu xenial/main Translation-en
Ign:30 http://ppa.launchpad.net/t-tujikawa/ppa/ubuntu xenial/main i386 Packages
Ign:31 http://ppa.launchpad.net/t-tujikawa/ppa/ubuntu xenial/main all Packages
Ign:32 http://ppa.launchpad.net/t-tujikawa/ppa/ubuntu xenial/main Translation-en_US
Ign:33 http://ppa.launchpad.net/t-tujikawa/ppa/ubuntu xenial/main Translation-en
Ign:22 http://ppa.launchpad.net/ekozincew/ppa/ubuntu xenial/main i386 Packages
Ign:23 http://ppa.launchpad.net/ekozincew/ppa/ubuntu xenial/main all Packages
Ign:24 http://ppa.launchpad.net/ekozincew/ppa/ubuntu xenial/main Translation-en_US
Ign:25 http://ppa.launchpad.net/ekozincew/ppa/ubuntu xenial/main Translation-en
Ign:26 http://ppa.launchpad.net/shashlik/builds/ubuntu xenial/main i386 Packages
Ign:27 http://ppa.launchpad.net/shashlik/builds/ubuntu xenial/main all Packages
Ign:28 http://ppa.launchpad.net/shashlik/builds/ubuntu xenial/main Translation-en_US
Ign:29 http://ppa.launchpad.net/shashlik/builds/ubuntu xenial/main Translation-en
Ign:30 http://ppa.launchpad.net/t-tujikawa/ppa/ubuntu xenial/main i386 Packages
Ign:31 http://ppa.launchpad.net/t-tujikawa/ppa/ubuntu xenial/main all Packages
Ign:32 http://ppa.launchpad.net/t-tujikawa/ppa/ubuntu xenial/main Translation-en_US
Ign:33 http://ppa.launchpad.net/t-tujikawa/ppa/ubuntu xenial/main Translation-en
Ign:22 http://ppa.launchpad.net/ekozincew/ppa/ubuntu xenial/main i386 Packages
Ign:23 http://ppa.launchpad.net/ekozincew/ppa/ubuntu xenial/main all Packages
Ign:24 http://ppa.launchpad.net/ekozincew/ppa/ubuntu xenial/main Translation-en_US
Ign:25 http://ppa.launchpad.net/ekozincew/ppa/ubuntu xenial/main Translation-en
Ign:26 http://ppa.launchpad.net/shashlik/builds/ubuntu xenial/main i386 Packages
Ign:27 http://ppa.launchpad.net/shashlik/builds/ubuntu xenial/main all Packages
Ign:28 http://ppa.launchpad.net/shashlik/builds/ubuntu xenial/main Translation-en_US
Ign:29 http://ppa.launchpad.net/shashlik/builds/ubuntu xenial/main Translation-en
Ign:30 http://ppa.launchpad.net/t-tujikawa/ppa/ubuntu xenial/main i386 Packages
Ign:31 http://ppa.launchpad.net/t-tujikawa/ppa/ubuntu xenial/main all Packages
Ign:32 http://ppa.launchpad.net/t-tujikawa/ppa/ubuntu xenial/main Translation-en_US
Ign:33 http://ppa.launchpad.net/t-tujikawa/ppa/ubuntu xenial/main Translation-en
Ign:22 http://ppa.launchpad.net/ekozincew/ppa/ubuntu xenial/main i386 Packages
Ign:23 http://ppa.launchpad.net/ekozincew/ppa/ubuntu xenial/main all Packages
Ign:24 http://ppa.launchpad.net/ekozincew/ppa/ubuntu xenial/main Translation-en_US
Ign:25 http://ppa.launchpad.net/ekozincew/ppa/ubuntu xenial/main Translation-en
Ign:26 http://ppa.launchpad.net/shashlik/builds/ubuntu xenial/main i386 Packages
Ign:27 http://ppa.launchpad.net/shashlik/builds/ubuntu xenial/main all Packages
Ign:28 http://ppa.launchpad.net/shashlik/builds/ubuntu xenial/main Translation-en_US
Ign:29 http://ppa.launchpad.net/shashlik/builds/ubuntu xenial/main Translation-en
Ign:30 http://ppa.launchpad.net/t-tujikawa/ppa/ubuntu xenial/main i386 Packages
Ign:31 http://ppa.launchpad.net/t-tujikawa/ppa/ubuntu xenial/main all Packages
Ign:32 http://ppa.launchpad.net/t-tujikawa/ppa/ubuntu xenial/main Translation-en_US
Ign:33 http://ppa.launchpad.net/t-tujikawa/ppa/ubuntu xenial/main Translation-en
Err:22 http://ppa.launchpad.net/ekozincew/ppa/ubuntu xenial/main i386 Packages
  404  Not Found
Ign:23 http://ppa.launchpad.net/ekozincew/ppa/ubuntu xenial/main all Packages
Ign:24 http://ppa.launchpad.net/ekozincew/ppa/ubuntu xenial/main Translation-en_US
Ign:25 http://ppa.launchpad.net/ekozincew/ppa/ubuntu xenial/main Translation-en
Err:26 http://ppa.launchpad.net/shashlik/builds/ubuntu xenial/main i386 Packages
  404  Not Found
Ign:27 http://ppa.launchpad.net/shashlik/builds/ubuntu xenial/main all Packages
Ign:28 http://ppa.launchpad.net/shashlik/builds/ubuntu xenial/main Translation-en_US
Ign:29 http://ppa.launchpad.net/shashlik/builds/ubuntu xenial/main Translation-en
Err:30 http://ppa.launchpad.net/t-tujikawa/ppa/ubuntu xenial/main i386 Packages
  404  Not Found
Ign:31 http://ppa.launchpad.net/t-tujikawa/ppa/ubuntu xenial/main all Packages
Ign:32 http://ppa.launchpad.net/t-tujikawa/ppa/ubuntu xenial/main Translation-en_US
Ign:33 http://ppa.launchpad.net/t-tujikawa/ppa/ubuntu xenial/main Translation-en
Fetched 19.0 kB in 16s (1,160 B/s)
Reading package lists...
W: GPG error: http://dl.google.com/linux/chrome/deb stable Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 1397BC53640DB551
W: The repository 'http://dl.google.com/linux/chrome/deb stable Release' is not signed.
W: The repository 'http://ppa.launchpad.net/ekozincew/ppa/ubuntu xenial Release' does not have a Release file.
W: The repository 'http://ppa.launchpad.net/shashlik/builds/ubuntu xenial Release' does not have a Release file.
W: The repository 'http://ppa.launchpad.net/t-tujikawa/ppa/ubuntu xenial Release' does not have a Release file.
E: Failed to fetch http://ppa.launchpad.net/ekozincew/ppa/u...6/Packages  404  Not Found
E: Failed to fetch http://ppa.launchpad.net/shashlik/builds...6/Packages  404  Not Found
E: Failed to fetch http://ppa.launchpad.net/t-tujikawa/ppa/...6/Packages  404  Not Found
E: Some index files failed to download. They have been ignored, or old ones used instead.