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I'm trying to install some programs like Runescape with the (terminal) but I get 404 error. I'm using Xubuntu 16.04 LTS. I'm adding PPA (and try to get sudo apt-get update) but it fails to download and get following errors.

W:The repository '-http://ppa.launchpad.net/hikariknight/unix-runescape-client/ubuntu xenial Release' does not have a Release file 
data from such a repository can't be authenticated and is therefore potentially dangerous to use 
    W:See apt-secure(8) manpage for repository creation and user configuration details., E:Failed to fetch  
ppa.launchpad.net/hikariknigh...amd64/Packages 404 Not Found 
E:Failed to fetch //ppa.launchpad.net/hikariknigh...-i386/Packages 404 Not Found 
E:Some index files failed to download. They have been ignored, or old ones used instead
dufte
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1 Answers1

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The discussed ppa does not support 16.04 so far. Last supported version right now is Wily - aka 15.10 according to the Launchpad side listing.

Therefor contact the ppa maintainer and ask for updates or wait until he does it by himself.

dufte
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