Не удалось получить пакеты (запрещено)

Я довольно новичок в Linux, поэтому я все еще пытаюсь понять это.

При запуске apt-get update я получаю кучу ошибок в репозитории

Err http://ppa.launchpad.net trusty/main/amd64 amd64 Packages
  403  Forbidden
Err http://ppa.launchpad.net trusty/main/amd64 i386 Packages
  403  Forbidden
Ign http://ppa.launchpad.net trusty/main/amd64 Translation-en
Ign http://ppa.launchpad.net trusty/main Translation-en
Ign http://ppa.launchpad.net trusty/main Translation-en
Err http://ppa.launchpad.net trusty/main amd64 Packages
  404  Not Found
Err http://ppa.launchpad.net trusty/main i386 Packages
  404  Not Found
Ign http://ppa.launchpad.net trusty/main Translation-en
Fetched 72 B in 15s (4 B/s)
W: GPG error: http://extras.ubuntu.com trusty Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 16126D3A3E5C1192
W: Failed to fetch http://ppa.launchpad.net/ubuntu-x-swat/x-updates/ubuntu/dists/trusty/main/amd64/binary-amd64/Packages  403  Forbidden

W: Failed to fetch http://ppa.launchpad.net/ubuntu-x-swat/x-updates/ubuntu/dists/trusty/main/amd64/binary-i386/Packages  403  Forbidden

W: Failed to fetch http://ppa.launchpad.net/ubuntu-x-swat/updates/ubuntu/dists/trusty/main/binary-amd64/Packages  404  Not Found

W: Failed to fetch http://ppa.launchpad.net/ubuntu-x-swat/updates/ubuntu/dists/trusty/main/binary-i386/Packages  404  Not Found

E: Some index files failed to download. They have been ignored, or old ones used instead.

В первую очередь я пытаюсь установить основные графические драйверы Intel.

Я поиграл со своим источником.списка, но до сих пор не добился успеха.

Это мой текущий sources.list:

deb http://archive.ubuntu.com/ubuntu trusty main restricted universe
deb http://archive.ubuntu.com/ubuntu trusty-updates main restricted universe
deb http://security.ubuntu.com/ubuntu trusty-security main restricted universe multiverse
deb http://archive.canonical.com/ubuntu trusty partner
deb http://us.archive.ubuntu.com/ubuntu trusty main multiverse
deb http://ppa.launchpad.net/ubuntu-x-swat/x-updates/ubuntu trusty/main amd64
deb http://extras.ubuntu.com/ubuntu trusty main

Вся онлайн-помощь, которую я нашел до сих пор, устарела и устарела.

Заранее благодарен за помощь

ДОБАВЛЕННАЯ ИНФОРМАЦИЯ

/etc/apt/sources.list.d/fossfreedom-packagefixes-trusty.list:deb http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu trusty main
/etc/apt/sources.list.d/fossfreedom-packagefixes-trusty.list:# deb-src http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu trusty main
/etc/apt/sources.list.d/jonathonf-ffmpeg-3-trusty.list:deb http://ppa.launchpad.net/jonathonf/ffmpeg-3/ubuntu trusty main
/etc/apt/sources.list.d/jonathonf-ffmpeg-3-trusty.list:# deb-src http://ppa.launchpad.net/jonathonf/ffmpeg-3/ubuntu trusty main
/etc/apt/sources.list.d/jonathonf-ffmpeg-3-trusty.list:# deb-src http://ppa.launchpad.net/jonathonf/ffmpeg-3/ubuntu trusty main
/etc/apt/sources.list.d/kirillshkrogalev-ffmpeg-next-trusty.list:deb http://ppa.launchpad.net/kirillshkrogalev/ffmpeg-next/ubuntu trusty main
/etc/apt/sources.list.d/kirillshkrogalev-ffmpeg-next-trusty.list:# deb-src http://ppa.launchpad.net/kirillshkrogalev/ffmpeg-next/ubuntu trusty main
/etc/apt/sources.list.d/obsproject-obs-studio-trusty.list:deb http://ppa.launchpad.net/obsproject/obs-studio/ubuntu trusty main
/etc/apt/sources.list.d/obsproject-obs-studio-trusty.list:# deb-src http://ppa.launchpad.net/obsproject/obs-studio/ubuntu trusty main
/etc/apt/sources.list.d/oibaf-graphics-drivers-trusty.list:deb http://ppa.launchpad.net/oibaf/graphics-drivers/ubuntu trusty main
/etc/apt/sources.list.d/oibaf-graphics-drivers-trusty.list:# deb-src http://ppa.launchpad.net/oibaf/graphics-drivers/ubuntu trusty main
/etc/apt/sources.list.d/ubuntu-x-swat-ppa-trusty.list:deb http://ppa.launchpad.net/ubuntu-x-swat/ppa/ubuntu trusty main
/etc/apt/sources.list.d/ubuntu-x-swat-ppa-trusty.list:# deb-src http://ppa.launchpad.net/ubuntu-x-swat/ppa/ubuntu trusty main
/etc/apt/sources.list.d/ubuntu-x-swat-updates-trusty.list:deb http://ppa.launchpad.net/ubuntu-x-swat/updates/ubuntu trusty main
/etc/apt/sources.list.d/ubuntu-x-swat-updates-trusty.list:# deb-src http://ppa.launchpad.net/ubuntu-x-swat/updates/ubuntu trusty main