"Scaricamento delle informazioni del repository non riuscito

[supertrumpx]

ciao a tutti. Quando lancio l'aggiornamento mi dice "Scaricamento delle informazioni del repository non riuscito"

lanciando da terminale questo è il risultato...solo parte finale, mi aiutate?
W: The repository 'http://ppa.launchpad.net/blueman/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.
W: The repository 'http://ppa.launchpad.net/relan/exfat/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.
W: The repository 'http://ppa.launchpad.net/tualatrix/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.
W: The repository 'http://ppa.launchpad.net/vidplace7/bluez5/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.
W: Errore GPG: https://download.01.org/gfx/ubuntu/16.04/main xenial InRelease: Le seguenti firme non sono state verificate perché la chiave pubblica non è disponibile: NO_PUBKEY 56A3DEF863961D39
W: The repository 'https://download.01.org/gfx/ubuntu/16.04/main xenial InRelease' is not signed.
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.
E: Impossibile recuperare http://ppa.launchpad.net/blueman/ppa/ub ... 4/Packages 404 Not Found
E: Impossibile recuperare http://ppa.launchpad.net/relan/exfat/ub ... 4/Packages 404 Not Found
E: Impossibile recuperare http://ppa.launchpad.net/tualatrix/ppa/ ... 4/Packages 404 Not Found
E: Impossibile recuperare http://ppa.launchpad.net/vidplace7/blue ... 4/Packages 404 Not Found
E: Impossibile scaricare alcuni file di indice: saranno ignorati o verranno usati quelli vecchi.

[daigo]

intanto, rimuovi questi ppa

Codice: Seleziona tutto

sudo rm /etc/apt/sources.list.d/relan*

Codice: Seleziona tutto

sudo rm /etc/apt/sources.list.d/blueman*

Codice: Seleziona tutto

sudo rm /etc/apt/sources.list.d/tualatrix*

Codice: Seleziona tutto

sudo rm /etc/apt/sources.list.d/vidplace7*

poi dai

Codice: Seleziona tutto

sudo apt-key adv --recv-keys --keyserver keyserver.ubuntu.com 56A3DEF863961D39 && sudo apt-get update

e postalo

[trekfan1]

Spostato in installazione e aggiornamento, supertrumpx modifica il post racchiudendo l'output tra tag CODICE (CODE):