By Selwyn Polit, 25 August, 2021

My beloved Firefox has been doing something strange when it tries to view websites that have certificate problems such as expired certificates.  For some reason my desktop computer would pop up a bland dialog box whining about the site uses an invalid security certificate.  My laptop doesn't seemt to do this.  Apparently no-one on the internet has ever experienced this problem so I felt it would be useful to share the solution with folks. 


Here is the alert box: