https://blog.linuxmint.com/?p=4624 Linux Mint 21.3 is a long term support release which will be supported until 2027. It comes with updated software and brings refinements and many new features to make your desktop even more comfortable to use. New features: This new version of Linux Mint contains many improvements. For an overview of the new features please visit: “What’s new in Linux Mint 21.3“. Important info: The release notes provide important information about known issues, as well as explanations, workarounds and solutions. To read the release notes, please visit: “Release Notes for Linux Mint 21.3” etc...
Seems like mirror is not accessible. I don't use Mint. If I were you I would Google/Bing for "how to change mirror Linux Mint"
Yep! That did the trick, thanks. I should have thought about that myself. Odd that it is the only update error for a while.
