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I have been having a problem for a few day.

I can't upgrade linux (16.04LTS) anymore and I can't install packages. Here's what I get :
sudo apt-get update

I don't put everything because I am not allowed to post many links
E: Failed to fetch http://ppa.launchpad.net/jonathonf/python-3.6/ubuntu/dists/xenial/main/dep11/icons-64x64.tar 404 Not Found E: Some index files failed to download. They have been ignored, or old ones used instead.

sudo apt-get upgrade

Reading package lists... Done Building dependency tree
Reading state information... Done Calculating upgrade... Done The following packages have been kept back: debhelper 0 upgraded, 0 newly installed, 0 to remove and 1 not upgraded.

sudo apt-get install x11vnc

Reading package lists... Done Building dependency tree
Reading state information... Done E: Unable to locate package x11vnc remi@remi-Lenovo-G70-80:~$

Does anybody know what the problem is ?

Anoikis
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1 Answers1

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As a last resort, perhaps try removing all non-necessity sources from the /etc/apt/sources.list file, leaving only the essential ones for the system. By doing so this could possibly fix your issue. Before carrying out this action, I recommend creating a backup just in case you accidently delete something important...

BACKUP

You can create a backup simply by running cp sources.list sources.bak and if you accidently break something simply either move the copy or copy the copy back to the original by running cp sources.bak sources.list...

Hope this helps!!!Let me know

NerdOfCode
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