This question already has an answer here:

I'm trying to update my system with the habitual sequence of codes:

$ sudo apt-get update
$ sudo apt-get upgrade

But when the first code finishes, it appears the follow message:

W: Fail to search http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu/dists/vivid/main/binary-amd64/Packages  404  Not Found
W: Fail to search http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu/dists/vivid/main/binary-i386/Packages  404  Not Found

And appears some other messages too, but the site don't allow me to post more than 2 links with my reputation points.

I use the Ubuntu 15.04 vivid, Kernel Linux 3.19.0-15-generic, MATE 1.8.2. I tried a sort of things, like update the /etc/apt//sources.list, and use the banish 404, but none of them was in success. If someone could help me, it would be great. Thank you very much.

marked as duplicate by Wilf, Panther, fossfreedom Nov 11 '15 at 14:31

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

  • 2
    Try this question, though if you could add the extra error output to your question that would help – Wilf Nov 11 '15 at 11:58
  • Guidance is given by the answers in the duplicate question as to how to remove the PPA in question. There are no packages for that PPA as per this answer: askubuntu.com/a/92897/14356 – fossfreedom Nov 11 '15 at 14:32

You are getting that error because it's actually so. The URL is currently unavailable.

Here, is a screenshot that says so:


Also, as you can see the parent directory doesn't contain files for your ubuntu version. Screenshot:


It is recommended to wait for a few hours untill the package is reuploaded to the website and then update your system to get the updates.

EDIT: As A. B. said, the application was never released for your version of Ubuntu. So, please remove the ppa or repository.

  • There was never a Vivid release. – A.B. Nov 11 '15 at 14:32

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