A operação do pacote falhou ao atualizar 12.04 [duplicate]

Question

Sempre que tento atualizar o 12.04, recebo a mensagem " Falha na operação do pacote ". Não consegui atualizar meu sistema. Na seção " Detalhes ", ele diz:

installArchives() failed:  
Extracting templates from packages: 30%% Extracting templates from packages: 61%% 
Extracting templates from packages: 91%% Extracting templates from packages: 100%% 
Preconfiguring packages ...

Extracting templates from packages: 30%% 
Extracting templates from packages: 61%% 
Extracting templates from packages: 91%% 
Extracting templates from packages: 100%% 
Preconfiguring packages ...

Extracting templates from packages: 30%% 
Extracting templates from packages: 61%% 
Extracting templates from packages: 91%% 
Extracting templates from packages: 100%% 
Preconfiguring packages ...

Extracting templates from packages: 30%% 
Extracting templates from packages: 61%% 
Extracting templates from packages: 91%% 
Extracting templates from packages: 100%% 
Preconfiguring packages ... 

dpkg: error: parsing file '/var/lib/dpkg/available' near line 42150 package 'x11-apps':  blank line in value of field 'Description' Error in function:

    

Answer 1

sudo rm -r /var/lib/dpkg/info/pppconfig*
sudo dpkg --remove --force-remove-reinstreq pppconfig
sudo apt-get clean
sudo apt-get update
sudo apt-get install pppconfig

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