When I using try to update using apt-get update, I am getting error as follows,

Err http://ppa.launchpad.net trusty/main amd64 Packages                        
  404  Not Found
Hit http://vn.archive.ubuntu.com trusty-backports/main amd64 Packages          
Err http://ppa.launchpad.net trusty/main i386 Packages                         
  404  Not Found
Hit http://vn.archive.ubuntu.com trusty-backports/restricted amd64 Packages    
Ign http://ppa.launchpad.net trusty/main Translation-en_US                     
Hit http://vn.archive.ubuntu.com trusty-backports/universe amd64 Packages      
W: Failed to fetch http://ppa.launchpad.net/upubuntu-com/web/ubuntu/dists/trusty/main/binary-amd64/Packages  404  Not Found

W: Failed to fetch http://ppa.launchpad.net/upubuntu-com/web/ubuntu/dists/trusty/main/binary-i386/Packages  404  Not Found

E: Some index files failed to download. They have been ignored, or old ones used instead.

how can to fix this ?

  • try this sudo add-apt-repository --remove ppa:jconti/gnome3
    – A J
    Feb 16, 2016 at 9:04
  • I tried but It not working.
    – Thuan Le
    Feb 16, 2016 at 9:07
  • show be the result of lsb_release -a
    – A J
    Feb 16, 2016 at 9:21
  • I get this: No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 14.04.3 LTS Release: 14.04 Codename: trusty
    – Thuan Le
    Feb 16, 2016 at 9:23
  • are you using 64-bit os or 32-bit ?
    – A J
    Feb 16, 2016 at 9:24

2 Answers 2


Open Software & Updates,

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Click other software tab,

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Uncheck http://ppa.launchpad.net/upubuntu-com/web/ubuntu/ trusty main under other softwares tab and close it.

Now you can update(sudo apt-get update).

  • Thanks a lot. After lot of other suggested answer this worked for me
    – Achal
    May 8, 2018 at 15:23

There are no package for trusty in the upubuntu.com web repository:

on the command line you can switch it of by

sudo apt-add-repository --remove ppa:upubuntu-com/web
sudo apt-get update

See Upubuntu Launchpad dists

only natty, oneiric, precise and quantal is published

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