Erros ao dar sudo apt-get update (erro aqui no post)

Berkano
(usa Ubuntu)

Enviado em 10/01/2017 - 21:56h

olá amigos,

Sou iniciante no linux, migrei pro ubuntu a pouco tempo e uso a versão 17.04
Ao instalar o wine eu tive o seguinte erro

Lendo listas de pacotes... Pronto

W: Erro GPG: http://deb.playonlinux.com trusty InRelease: As seguintes assinaturas eram inválidas: 74F7358425EEB6176094C884E0F72778C4676186

W: The repository 'http://deb.playonlinux.com trusty 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.

W: The repository 'http://ppa.launchpad.net/ubuntu-wine/ppa/ubuntu zesty 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.

E: Falhou ao buscar http://ppa.launchpad.net/ubuntu-wine/ppa/ubuntu/dists/zesty/main/binary-amd64/Packages  404  Not Found

E: Falhou o download de alguns ficheiros de índice. Foram ignorados ou os antigos foram usados em seu lugar. 

:

Obrigado.