0) Therac 25: https://hackaday.com/2015/10/26/killed-by-a-machine-the-ther...

There ARE areas more safety critical than desktop computing, you know.

Sort of related:

- it is almost 2018 and copy pasting on an ipad/iphone is still a horrible, non-deterministic nightmare

Well I remember when the Ubuntu installer left your root password in a clear text file that was world readable on your FS.[1]

I would really like to see a top 10 list of software blunders, I think everyone on HN would.

1. https://launchpad.net/ubuntu/+source/shadow/+bug/34606

0)(Apple) If macOS High Sierra shows your password instead of the password hint https://news.ycombinator.com/item?id=15410953