This has got to be one of the most annoying errors associated with the popular web browser Mozilla FireFox. If FF encounters a problem when an update is being applied, an error message "Software Update Failed. The update could not be installed…” will be displayed every time you try to start the application. I was unfortunate enough to face the issue myself and luckily managed to solve it wihout having to waste a lots of time. If you are encountering the same issue, here are a few things...