Linux Update Error

[thoughtinstinct]

I have had several times where it couldn't update and i either opened and closed chrome or closed it if it was open and magically update went through. Might not be a similar issue here but ....

[ayman]

I did the standard procedures add nothing

[Jerry]

You've tried to add a XFCE-dev ppa. Remove it please. It's not designed to work with LL. Thanks

[ayman]

This one also have an error :

Code: [Select]

Err:13 http://ppa.launchpad.net/xubuntu-dev/xfce-4.12/ubuntu xenial/main amd64 Packages
  404  Not Found
Ign:15 http://ppa.launchpad.net/xubuntu-dev/xfce-4.12/ubuntu xenial/main i386 Packages
Ign:16 http://ppa.launchpad.net/xubuntu-dev/xfce-4.12/ubuntu xenial/main all Packages
Ign:18 http://ppa.launchpad.net/xubuntu-dev/xfce-4.12/ubuntu xenial/main Translation-en_US
Ign:19 http://ppa.launchpad.net/xubuntu-dev/xfce-4.12/ubuntu xenial/main Translation-en
Get:24 http://archive.ubuntu.com/ubuntu xenial-updates/universe i386 Packages [424 kB]
Fetched 2,385 kB in 6s (350 kB/s)                                             
Reading package lists... Done
W: The repository 'http://ppa.launchpad.net/xubuntu-dev/xfce-4.12/ubuntu xenial Release' does not have a Release file.
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure( 8) manpage for repository creation and user configuration details.
E: Failed to fetch http://ppa.launchpad.net/xubuntu-dev/xfce-4.12/ubuntu/dists/xenial/main/binary-amd64/Packages  404  Not Found
E: Some index files failed to download. They have been ignored, or old ones used instead.
linuxlite@linuxlite-Lenovo-B590:~$

[Jerry]

Welcome ayam. Please open a terminal and paste into your next post the result of:

Code: [Select]

sudo apt-get update
See here - https://www.linuxliteos.com/forums/introductions/forum-posting-guidelines/ for how to post Terminal code into a a Forum post.

[ayman]

Linux Lite Updates couldn't fetch the package cache information lists.

Cannot check for updates!