Is http://security/ubuntu.com down?

[Liam Proven]

On Tue, 3 Jul 2018 at 21:53, Jim <jf_byrnes at comcast.net> wrote:
>
> Hadn't used my notebook running Mint 18 for a while so there were a ton
> of updates. Most of them finished fine. Then I started getting errors
> like
> http://security.ubuntu.com/ubuntu/pool/main/thunderbird/thunderbird-local-en-us_52.7.0+build1-Oubuntu0.16.04_all.deb.
> 404 not found. Seems most of them have pool in the url. Probably have a
> dozen such errors.

Odd. Try changing mirror servers -- under Software Sources in control
panel there should be such an option. Or, try Synaptic, and use that
one. When you get to the list of mirrors, there should be a "select
best server" option.

In this screenshot it's under "install from":

https://i.stack.imgur.com/PCBnF.png

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