Oi Jkmsjq,
Obrigado pela atenção. Seguem os erros:
Após o comando sudo apt-get update deu o seguinte erro:
W: Duplicate sources.list entry
http://security.ubuntu.com/ubuntu/ saucy-security/multiverse amd64 Packages (/var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_saucy-security_multiverse_binary-amd64_Packages)
W: Duplicate sources.list entry
http://security.ubuntu.com/ubuntu/ saucy-security/universe amd64 Packages (/var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_saucy-security_universe_binary-amd64_Packages)
W: Duplicate sources.list entry
http://security.ubuntu.com/ubuntu/ saucy-security/main amd64 Packages (/var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_saucy-security_main_binary-amd64_Packages)
W: Duplicate sources.list entry
http://security.ubuntu.com/ubuntu/ saucy-security/restricted amd64 Packages (/var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_saucy-security_restricted_binary-amd64_Packages)
W: Duplicate sources.list entry
http://security.ubuntu.com/ubuntu/ saucy-security/multiverse i386 Packages (/var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_saucy-security_multiverse_binary-i386_Packages)
W: Duplicate sources.list entry
http://security.ubuntu.com/ubuntu/ saucy-security/universe i386 Packages (/var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_saucy-security_universe_binary-i386_Packages)
W: Duplicate sources.list entry
http://security.ubuntu.com/ubuntu/ saucy-security/main i386 Packages (/var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_saucy-security_main_binary-i386_Packages)
W: Duplicate sources.list entry
http://security.ubuntu.com/ubuntu/ saucy-security/restricted i386 Packages (/var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_saucy-security_restricted_binary-i386_Packages)
W: Você terá que executar apt-get update para corrigir estes problemas
E os erros com o sudo update-manager:
Error loading .desktop file /usr/share/applications/gnome-sudoku.desktop: constructor returned NULL
Error loading .desktop file /usr/share/applications/gnomine.desktop: constructor returned NULL
Error loading .desktop file /usr/share/applications/mahjongg.desktop: constructor returned NULL
Quer que eu copie todo o resto?
Abs.
Michneves