to expand on what Brian has, my normal update routine for when I am wanting to update all the things.
sudo apt update && sudo apt -y full-upgrade && sudo apt -y autoremove
This setpset will update your sources, run a full upgrade automatically selecting yes, then remove unneeded packages also automatically selecting yes. the && allows you to issue 3 commands in the same line to be handled sequentially.

On Mon, Jul 15, 2019 at 10:03 PM Brian Cluff <brian@snaptek.com> wrote:
All those errors look like it tried to do an update, but your systems
package database was out of sync with the server's package database.
You should be able to fix it by making sure that your system download a
current package database, or from the command line running:

sudo apt update ; sudo apt -f install

Once you've run that everything should start working again.  You may
even want to do:

sudo apt full-upgrade

to get your system completely up to date.

Brian Cluff

On 7/15/19 6:35 PM, Joe Lowder wrote:
> What do I need to do to get a mint update to work?
> Please view these screenshots that disclose the problem?
>
> http://www.upquick.com/temp/mup1.jpg
> http://www.upquick.com/temp/mup2.jpg
> http://www.upquick.com/temp/mup3.jpg
>
>
>
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