https://www.theguardian.com/uk-news/2024/jan/09/how-the-post-offices-horizon-system-failed-a-technical-breakdown https://www.theguardian.com/uk-news/2024/jan/09

https://www.theguardian.com/uk-news/2024/jan/09/how-the-post-offices-horizon-system-failed-a-technical-breakdown https://www.theguardian.com/uk-news/2024/jan/09/how-the-post... states "a full list [of bugs] has never been produced". The article gives one example of a bug where the UI would freeze/get stuck, but still respond to key presses, so a user might think the system had crashed but press 'enter' repeatedly, which would silently create several records.