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I am running Ubuntu 12.04 on my USB. I have everything from LibreOffice but the Base app. When I search in the Software center it comes up and I click install but after 30 seconds it fails with this message:

Failed to fetch 404  Not Found [IP: 80]
Failed to fetch 404  Not Found [IP: 80]

(First two only as I need "reputation 12 to post more than 2 links")

What is happening? Please keep in mind that I am a complete NOOBIE to Linux and Ubuntu! Is there anyway I can get Base? Or am I SOL? Thanks!

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Though this is a 404 error, this could be a problem: Are you behind a proxy? If yes, refer to this question: – i08in Feb 17 '13 at 4:35
@Jobin: Not behind a proxy, directly though my ISP provider (Bell). – Buskieboy Feb 18 '13 at 21:23
@Eliah Ok, I hope I've done this right: – Buskieboy Feb 20 '13 at 7:39
I was actually trying to download Base from Ubuntu Software Center, cuz I'm a complete noob when it comes to using a Terminal. Could the USC be the problem? That shows ONLY the for "failed to fetch" lines and no other text. Now I'm suspicious of the USC! – Buskieboy Feb 20 '13 at 23:41
@Buskieboy You can post images anywhere on the web and provide the link, and we can add them for you. (But it looks like you may have enough rep now.) What happens if you open the Terminal and run sudo apt-get update && sudo apt-get install libreoffice-base? (Please provide the complete and exact text, you can use if it's too long.) And as Lucio suggests, the output of cat /etc/apt/sources.list. – Eliah Kagan Feb 21 '13 at 20:44
up vote 1 down vote accepted

It appears that the files it's trying to download actually do not exist.

This suggests that you have not run

sudo apt-get update

before running a command like sudo apt-get install ....

So, try running sudo apt-get update first. That may fix this problem.

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You are right. Actually that files doesn't exist. Your method should work, but if it doesn't, the OP should modify him source list.. – Lucio Feb 20 '13 at 19:08
@Lucio Why would that help? What do you think is wrong with sources.list that might cause this? – Eliah Kagan Feb 21 '13 at 6:20
Because the updates system is looking for a non existing URI. I thought that it could be fixed from there. – Lucio Feb 21 '13 at 19:31
@Lucio Sometimes it can. The domain name and package directory appear correct, though. So it seems likely APT is using old version information (which can be fixed by sudo apt-get update). As I cannot think of anything else so far, if that doesn't work, then it would probably be worthwhile to examine sources.list, but I can't think of anything very likely that would likely produce this specific error message, with those mostly correct (and probably formerly correct) URL's. Maybe sources for the wrong release (e.g., left over from a now-EoL release)? – Eliah Kagan Feb 21 '13 at 20:42
@Eliah: Hazzah! The command line worked and it INCLUDED BASE! Thank-you! One odd thing though, after updating, I am now getting an odd error message about only having 150MG of disk space left (the amount varies with each message). If I am right to assume, I save on my USB stick instead of my hard drive right? If so my 16GB USB should have enough space as I gave it the MAX 4GB* space. Why am I getting this message now? Did I miss something? (should I start a new thread?) *btw how can I increase that since it is a 16GB USB? – Buskieboy Feb 25 '13 at 23:07

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