galera seguinte, após ter tentado instalar o NuvolaPlayer e o Dropbox começou a dar alguns erros nos pacotes e tals... consegui remover os do NuvolaPlayer usando " sudo dpkg --configure -a " e " sudo apt-get install -f ". Depois que tentei remover os do Dropbox começou a dar erros no "
"... quando vou instalar alguma pacote isso fica indo e voltando de forma estranha...quando fui instalar o songwrite pela central de programas após autenticar e tudo mais depois de 5minutos aparece uma mensagem dizendo que não foi possível instalar o pacote pois não estou conectado a internet sendo que minha internet está normal... meu Ubuntu é o 15.04...agora sobrou só um erro ao dar "sudo apt-get update" e o erro na central de programas persiste .
Ign
http://ppa.launchpad.net vivid InRelease
Ign
http://ppa.launchpad.net vivid InRelease
Ign
http://ppa.launchpad.net vivid InRelease
Atingido
http://ppa.launchpad.net vivid Release.gpg
Atingido
http://ppa.launchpad.net vivid Release.gpg
Atingido
http://ppa.launchpad.net vivid Release.gpg
Atingido
http://ppa.launchpad.net vivid Release
Atingido
http://ppa.launchpad.net vivid Release
Atingido
http://ppa.launchpad.net vivid Release
Atingido
http://ppa.launchpad.net vivid/main Sources
Atingido
http://ppa.launchpad.net vivid/main i386 Packages
Atingido
http://ppa.launchpad.net vivid/main Translation-en
Ign
http://br.archive.ubuntu.com vivid InRelease
Ign
http://br.archive.ubuntu.com vivid-updates InRelease
Ign
http://br.archive.ubuntu.com vivid-backports InRelease
Atingido
http://br.archive.ubuntu.com vivid Release.gpg
Obter:1
http://br.archive.ubuntu.com vivid-updates Release.gpg [933 B]
Atingido
http://ppa.launchpad.net vivid/main i386 Packages
Atingido
http://br.archive.ubuntu.com vivid-backports Release.gpg
Atingido
http://br.archive.ubuntu.com vivid Release
Obter:2
http://br.archive.ubuntu.com vivid-updates Release [63,5 kB]
Ign
http://linux.dropbox.com precise InRelease
Atingido
http://br.archive.ubuntu.com vivid-backports Release
Atingido
http://ppa.launchpad.net vivid/main Translation-en
Obter:3
http://linux.dropbox.com precise Release.gpg [489 B]
Atingido
http://ppa.launchpad.net vivid/main i386 Packages
Atingido
http://linux.dropbox.com precise Release
Ign
http://linux.dropbox.com precise Release
Atingido
http://ppa.launchpad.net vivid/main Translation-en
Atingido
http://br.archive.ubuntu.com vivid/main Sources
Ign
http://linux.dropbox.com precise/main i386 Packages/DiffIndex
Obter:4
http://br.archive.ubuntu.com vivid-updates/main Sources [67,0 kB]
Obter:5
http://br.archive.ubuntu.com vivid-updates/restricted Sources [28 B]
Obter:6
http://br.archive.ubuntu.com vivid-updates/universe Sources [29,8 kB]
Obter:7
http://br.archive.ubuntu.com vivid-updates/multiverse Sources [1.957 B]
Obter:8
http://br.archive.ubuntu.com vivid-updates/main i386 Packages [158 kB]
Obter:9
http://br.archive.ubuntu.com vivid-updates/restricted i386 Packages [28 B]
Obter:10
http://br.archive.ubuntu.com vivid-updates/universe i386 Packages [88,8 kB]
Obter:11
http://br.archive.ubuntu.com vivid-updates/multiverse i386 Packages [3.675 B]
Atingido
http://br.archive.ubuntu.com vivid-updates/restricted Translation-en
Atingido
http://br.archive.ubuntu.com vivid/restricted Sources
Atingido
http://br.archive.ubuntu.com vivid/universe Sources
Atingido
http://br.archive.ubuntu.com vivid-backports/main Sources
Obter:12
http://linux.dropbox.com precise/main i386 Packages [1.159 B]
Atingido
http://br.archive.ubuntu.com vivid-backports/restricted Sources
Atingido
http://br.archive.ubuntu.com vivid-backports/multiverse Sources
Atingido
http://br.archive.ubuntu.com vivid-backports/main i386 Packages
Atingido
http://br.archive.ubuntu.com vivid-backports/restricted i386 Packages
Atingido
http://br.archive.ubuntu.com vivid-backports/multiverse i386 Packages
Atingido
http://br.archive.ubuntu.com vivid-backports/main Translation-en
Atingido
http://br.archive.ubuntu.com vivid-backports/multiverse Translation-en
Atingido
http://br.archive.ubuntu.com vivid-backports/restricted Translation-en
Atingido
http://br.archive.ubuntu.com vivid/multiverse Sources
Atingido
http://br.archive.ubuntu.com vivid/main i386 Packages
Atingido
http://br.archive.ubuntu.com vivid/restricted i386 Packages
Atingido
http://br.archive.ubuntu.com vivid/universe i386 Packages
Atingido
http://br.archive.ubuntu.com vivid/multiverse i386 Packages
Atingido
http://br.archive.ubuntu.com vivid/main Translation-pt_BR
Atingido
http://br.archive.ubuntu.com vivid/main Translation-pt
Atingido
http://br.archive.ubuntu.com vivid/main Translation-en
Atingido
http://br.archive.ubuntu.com vivid/multiverse Translation-pt_BR
Atingido
http://br.archive.ubuntu.com vivid/multiverse Translation-pt
Atingido
http://br.archive.ubuntu.com vivid/multiverse Translation-en
Atingido
http://br.archive.ubuntu.com vivid/restricted Translation-pt_BR
Atingido
http://br.archive.ubuntu.com vivid/restricted Translation-pt
Atingido
http://br.archive.ubuntu.com vivid/restricted Translation-en
Atingido
http://br.archive.ubuntu.com vivid/universe Translation-pt_BR
Atingido
http://br.archive.ubuntu.com vivid/universe Translation-pt
Atingido
http://br.archive.ubuntu.com vivid/universe Translation-en
Atingido
http://br.archive.ubuntu.com vivid-updates/main Translation-en
Atingido
http://br.archive.ubuntu.com vivid-updates/multiverse Translation-en
Atingido
http://br.archive.ubuntu.com vivid-updates/universe Translation-en
Atingido
http://br.archive.ubuntu.com vivid-backports/universe Sources
Atingido
http://br.archive.ubuntu.com vivid-backports/universe i386 Packages
Atingido
http://br.archive.ubuntu.com vivid-backports/universe Translation-en
Ign
http://dl.google.com stable InRelease
Atingido
http://dl.google.com stable Release.gpg
Atingido
http://dl.google.com stable Release
Obter:13
http://dl.google.com stable/main i386 Packages [1.178 B]
Ign
http://linux.dropbox.com precise/main Translation-pt_BR
Ign
http://linux.dropbox.com precise/main Translation-pt
Ign
http://linux.dropbox.com precise/main Translation-en
Ign
http://dl.google.com stable/main Translation-pt_BR
Ign
http://dl.google.com stable/main Translation-pt
Ign
http://dl.google.com stable/main Translation-en
Ign
http://security.ubuntu.com vivid-security InRelease
Ign
http://archive.canonical.com vivid InRelease
Obter:14
http://security.ubuntu.com vivid-security Release.gpg [933 B]
Atingido
http://archive.canonical.com vivid Release.gpg
Obter:15
http://security.ubuntu.com vivid-security Release [63,5 kB]
Atingido
http://archive.canonical.com vivid Release
Obter:16
http://security.ubuntu.com vivid-security/main Sources [31,2 kB]
Obter:17
http://security.ubuntu.com vivid-security/restricted Sources [28 B]
Obter:18
http://security.ubuntu.com vivid-security/universe Sources [13,7 kB]
Atingido
http://archive.canonical.com vivid/partner Sources
Obter:19
http://security.ubuntu.com vivid-security/multiverse Sources [1.957 B]
Atingido
http://archive.canonical.com vivid/partner i386 Packages
Obter:20
http://security.ubuntu.com vivid-security/main i386 Packages [91,3 kB]
Atingido
http://archive.canonical.com vivid/partner Translation-en
Obter:21
http://security.ubuntu.com vivid-security/restricted i386 Packages [28 B]
Obter:22
http://security.ubuntu.com vivid-security/universe i386 Packages [45,7 kB]
Obter:23
http://security.ubuntu.com vivid-security/multiverse i386 Packages [3.675 B]
Atingido
http://security.ubuntu.com vivid-security/main Translation-en
Atingido
http://security.ubuntu.com vivid-security/multiverse Translation-en
Atingido
http://security.ubuntu.com vivid-security/restricted Translation-en
Atingido
http://security.ubuntu.com vivid-security/universe Translation-en
Baixados 668 kB em 57s (11,7 kB/s)
Lendo listas de pacotes... Pronto
W: Erro GPG:
http://linux.dropbox.com precise Release: As assinaturas a seguir não puderam ser verificadas devido à chave pública não estar disponível: NO_PUBKEY FC918B335044912E
é isso ... desde já agradeço...