Software update error after upgrade from 16 to 17

[Aravisian]

Please check your sources

[How To] address and manage Software Sources

In order to retrieve software packages for your computer, the apt software needs a source that supplies it. This is a security feature as sources are signed and vetted. It also is organizational, as it keeps things well organized and prevents conflicts. A source supplies the route to a Repository. Users can supply sources at will. For example a user might wish to install Wine, so they use curl to retrieve a built script to assign a source or use add-apt-repository to add one. However, this me…

...and modify if needed.

[How To] Manage software sources after using Zorin Upgrader

A few users have run into an issue where not all sources are updated in their sources to the correct repository after running the Zorin Upgrader. I would like to post a means of quickly addressing this for users. Perform these steps after you have run the Zorin Upgrader and rebooted. First, create backups of your essential files: sudo cp /etc/apt/sources.list /etc/apt/sources.list.backup sudo cp -r /etc/apt/sources.list.d /etc/apt/sources.list.d.backup Certain Manually installed reposi…

Please update Flatpak and Snap if using Snap:

flatpak update

sudo snap refresh