w ubuntu nie działają respozytory apt-get update

kiedy wpisuję apt-get update to jest takie coś:

Kod:

elzbieta@elzbieta:~$ sudo apt-get update Stary:1 http://pl.archive.ubuntu.com/ubuntu xenial InRelease Stary:2 http://pl.archive.ubuntu.com/ubuntu xenial-security InRelease Stary:3 http://ppa.launchpad.net/ethanak/milena/ubuntu xenial InRelease Stary:4 http://pl.archive.ubuntu.com/ubuntu xenial-updates InRelease Stary:5 http://archive.canonical.com/ubuntu xenial InRelease Stary:6 http://pl.archive.ubuntu.com/ubuntu xenial-backports InRelease Ign.:7 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial InRelease Stary:8 http://pl.archive.ubuntu.com/ubuntu xenial-proposed InRelease Ign.:9 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial Release Ign.:10 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main amd64 Packages Ign.:11 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main i386 Packages Ign.:12 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main foreign-architecture Packages Ign.:13 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main all Packages Ign.:14 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main Translation-pl_PL Ign.:15 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main Translation-pl Ign.:16 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main Translation-en Ign.:17 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main amd64 DEP-11 Metadata Ign.:18 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main DEP-11 64x64 Icons Ign.:10 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main amd64 Packages Ign.:11 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main i386 Packages Ign.:12 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main foreign-architecture Packages Ign.:13 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main all Packages Ign.:14 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main Translation-pl_PL Ign.:15 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main Translation-pl Ign.:16 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main Translation-en Ign.:17 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main amd64 DEP-11 Metadata Ign.:18 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main DEP-11 64x64 Icons Ign.:10 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main amd64 Packages Ign.:11 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main i386 Packages Ign.:12 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main foreign-architecture Packages Ign.:13 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main all Packages Ign.:14 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main Translation-pl_PL Ign.:15 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main Translation-pl Ign.:16 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main Translation-en Ign.:17 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main amd64 DEP-11 Metadata Ign.:18 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main DEP-11 64x64 Icons Ign.:10 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main amd64 Packages Ign.:11 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main i386 Packages Ign.:12 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main foreign-architecture Packages Ign.:13 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main all Packages Ign.:14 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main Translation-pl_PL Ign.:15 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main Translation-pl Ign.:16 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main Translation-en Ign.:17 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main amd64 DEP-11 Metadata Ign.:18 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main DEP-11 64x64 Icons Ign.:10 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main amd64 Packages Ign.:11 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main i386 Packages Ign.:12 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main foreign-architecture Packages Ign.:13 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main all Packages Ign.:14 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main Translation-pl_PL Ign.:15 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main Translation-pl Ign.:16 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main Translation-en Ign.:17 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main amd64 DEP-11 Metadata Ign.:18 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main DEP-11 64x64 Icons Błąd:10 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main amd64 Packages 404 Not Found Ign.:11 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main i386 Packages Ign.:12 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main foreign-architecture Packages Ign.:13 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main all Packages Ign.:14 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main Translation-pl_PL Ign.:15 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main Translation-pl Ign.:16 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main Translation-en Ign.:17 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main amd64 DEP-11 Metadata Ign.:18 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main DEP-11 64x64 Icons Czytanie list pakietów... Gotowe N: Skipping acquire of configured file 'main/binary-foreign-architecture/Packages' as repository 'http://pl.archive.ubuntu.com/ubuntu xenial InRelease' doesn't support architecture 'foreign-architecture' N: Skipping acquire of configured file 'restricted/binary-foreign-architecture/Packages' as repository 'http://pl.archive.ubuntu.com/ubuntu xenial InRelease' doesn't support architecture 'foreign-architecture' N: Skipping acquire of configured file 'universe/binary-foreign-architecture/Packages' as repository 'http://pl.archive.ubuntu.com/ubuntu xenial InRelease' doesn't support architecture 'foreign-architecture' N: Skipping acquire of configured file 'multiverse/binary-foreign-architecture/Packages' as repository 'http://pl.archive.ubuntu.com/ubuntu xenial InRelease' doesn't support architecture 'foreign-architecture' N: Skipping acquire of configured file 'main/binary-foreign-architecture/Packages' as repository 'http://pl.archive.ubuntu.com/ubuntu xenial-security InRelease' doesn't support architecture 'foreign-architecture' N: Skipping acquire of configured file 'restricted/binary-foreign-architecture/Packages' as repository 'http://pl.archive.ubuntu.com/ubuntu xenial-security InRelease' doesn't support architecture 'foreign-architecture' N: Skipping acquire of configured file 'universe/binary-foreign-architecture/Packages' as repository 'http://pl.archive.ubuntu.com/ubuntu xenial-security InRelease' doesn't support architecture 'foreign-architecture' N: Skipping acquire of configured file 'multiverse/binary-foreign-architecture/Packages' as repository 'http://pl.archive.ubuntu.com/ubuntu xenial-security InRelease' doesn't support architecture 'foreign-architecture' N: Skipping acquire of configured file 'main/binary-foreign-architecture/Packages' as repository 'http://ppa.launchpad.net/ethanak/milena/ubuntu xenial InRelease' doesn't support architecture 'foreign-architecture' W: The repository 'http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial Release' does not have a Release file. N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use. N: See apt-secure(8) manpage for repository creation and user configuration details. N: Skipping acquire of configured file 'main/binary-foreign-architecture/Packages' as repository 'http://pl.archive.ubuntu.com/ubuntu xenial-updates InRelease' doesn't support architecture 'foreign-architecture' N: Skipping acquire of configured file 'restricted/binary-foreign-architecture/Packages' as repository 'http://pl.archive.ubuntu.com/ubuntu xenial-updates InRelease' doesn't support architecture 'foreign-architecture' N: Skipping acquire of configured file 'universe/binary-foreign-architecture/Packages' as repository 'http://pl.archive.ubuntu.com/ubuntu xenial-updates InRelease' doesn't support architecture 'foreign-architecture' N: Skipping acquire of configured file 'multiverse/binary-foreign-architecture/Packages' as repository 'http://pl.archive.ubuntu.com/ubuntu xenial-updates InRelease' doesn't support architecture 'foreign-architecture' N: Skipping acquire of configured file 'partner/binary-foreign-architecture/Packages' as repository 'http://archive.canonical.com/ubuntu xenial InRelease' doesn't support architecture 'foreign-architecture' N: Skipping acquire of configured file 'main/binary-foreign-architecture/Packages' as repository 'http://pl.archive.ubuntu.com/ubuntu xenial-backports InRelease' doesn't support architecture 'foreign-architecture' N: Skipping acquire of configured file 'restricted/binary-foreign-architecture/Packages' as repository 'http://pl.archive.ubuntu.com/ubuntu xenial-backports InRelease' doesn't support architecture 'foreign-architecture' N: Skipping acquire of configured file 'universe/binary-foreign-architecture/Packages' as repository 'http://pl.archive.ubuntu.com/ubuntu xenial-backports InRelease' doesn't support architecture 'foreign-architecture' N: Skipping acquire of configured file 'multiverse/binary-foreign-architecture/Packages' as repository 'http://pl.archive.ubuntu.com/ubuntu xenial-backports InRelease' doesn't support architecture 'foreign-architecture' N: Skipping acquire of configured file 'main/binary-foreign-architecture/Packages' as repository 'http://pl.archive.ubuntu.com/ubuntu xenial-proposed InRelease' doesn't support architecture 'foreign-architecture' N: Skipping acquire of configured file 'restricted/binary-foreign-architecture/Packages' as repository 'http://pl.archive.ubuntu.com/ubuntu xenial-proposed InRelease' doesn't support architecture 'foreign-architecture' N: Skipping acquire of configured file 'universe/binary-foreign-architecture/Packages' as repository 'http://pl.archive.ubuntu.com/ubuntu xenial-proposed InRelease' doesn't support architecture 'foreign-architecture' N: Skipping acquire of configured file 'multiverse/binary-foreign-architecture/Packages' as repository 'http://pl.archive.ubuntu.com/ubuntu xenial-proposed InRelease' doesn't support architecture 'foreign-architecture' E: Nie udało się pobrać http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu/dists/xenial/main/binary-amd64/Packages 404 Not Found E: Nie udało się pobrać niektórych plików indeksu, zostały one zignorowane lub użyto ich starszej wersji. elzbieta@elzbieta:~$

wpisaywałem w google a i tak to samo.
ofc 64 bitowy.

mam zianstalowany Iron.

a robiłęm coś żeby zainstaloiwać clamav.