Problems when i try update sotfware

General Help
1

I am having an issue while updating my operating system. When I try to update using sudo apt-get update, I get the following error:

Err:12 http://co.archive.ubuntu.com/ubuntu noble-updates InRelease
  Cannot initiate the connection to co.archive.ubuntu.com:80 (2800:1e0:d1f:ffff::49). - connect (101: Network is unreachable) Could not connect to co.archive.ubuntu.com:80 (200.25.7.49), connection timed out
Err:13 http://co.archive.ubuntu.com/ubuntu noble-backports InRelease
  Cannot initiate the connection to co.archive.ubuntu.com:80 (2800:1e0:d1f:ffff::49). - connect (101: Network is unreachable)
Reading package lists... Done
W: Failed to fetch http://co.archive.ubuntu.com/ubuntu/dists/noble-updates/InRelease  Cannot initiate the connection to co.archive.ubuntu.com:80 (2800:1e0:d1f:ffff::49). - connect (101: Network is unreachable) Could not connect to co.archive.ubuntu.com:80 (200.25.7.49), connection timed out
W: Failed to fetch http://co.archive.ubuntu.com/ubuntu/dists/noble-backports/InRelease  Cannot initiate the connection to co.archive.ubuntu.com:80 (2800:1e0:d1f:ffff::49). - connect (101: Network is unreachable)
W: Some index files failed to download. They have been ignored, or old ones used instead.

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I have the download server set to the main server for updates...

2

The columbian server seems not to work and switching to main server doesn't help. Take a look at that thread. It sounds as if you have to change the sources.list file manually.
It helps to run that command

sudo sed -i 's|co.archive.ubuntu.com|archive.ubuntu.com|g' /etc/apt/sources.list

The command replaces all columbian ubuntu archive repositories with the main archive repositories of ubuntu.

Then run

sudo apt update && sudo apt upgrade
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