Install Updates could not fetch the package cache information lists.

[stevef]

Something is unusual with your repository and apt preferences.
We can start by looking at your repositories.

Please open a terminal by pressing 'Ctrl' 'Alt' and 'T' together.
In the window that appears please type in this command followed by enter to show the repositories that are set on your system.

Code:

inxi -r

Please copy and paste the results back to the thread.