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I have installed w3c-markup-validator on Ubuntu 14.04 with this command:

sudo apt-get install w3c-markup-validator

After that, each time I run apt-get update, apt-get upgrade or apt-get install I get following error:

dpkg: error processing package w3c-markup-validator
Errors were encountered while processing:
    w3c-markup-validator
E: Sub-process /usr/bin/dpkg returned an error code (1)

Initially, I thought that it had something to do with the fact that there were some issues with w3c-markup-validator related to newer Apache version, but even after fixing those issues as stated in Install wc3 markup validator locally, this error message still occurs every time I use apt-get.

Is there any way to supress this one error message? Optionally, what might be cause of this error message?

2 Answers 2

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(I wanted to just add a comment to Rho's answer, but I am new here so) I believe that purging will do the work. If you:

sudo apt-get remove --purge w3c-markup-validator

Or, in case it doesn't work:

sudo dpkg --purge w3c-markup-validator

Then follow Rho's sequence, it will be fixed.

 sudo dpkg --configure -a 

 sudo apt-get install -f 

 sudo apt-get update 

 sudo apt-get install -f 

Regards.

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It seems to me that after the install you got your package system corrupted. In order to solve it please try this out in a terminal:

sudo dpkg --configure -a

sudo apt-get install -f

sudo apt-get update

sudo apt-get install -f

That should fix your package system and let you use apt-get normally again. Cheers! :)

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  • Unfortunately, after running those commands, this error still shows up.
    – Rafal
    Mar 12, 2015 at 13:26
  • could you please post the output of the first one?
    – Rho
    Mar 12, 2015 at 14:06

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