I have a Macbook Pro I purchased new this summer (2014). I installed the latest version of Firefox in July 2014 and it worked fine for over 2 months. Suddenly, Firefox no longer opens. It flashes like it's opened a window but nothing shows. I created a new user profile and it worked fine on the new profile, and gradually Firefox is having the same problem on each user profile I create. Please help!

Mac Os Catalina Won't Install

Why macOS Catalina Won’t Install. Various problems can occur during the installation of macOS Catalina. If the installation won’t start, seems to freeze midway, or never seems to complete, then it means that there must be something wrong somewhere. The first main reason why users can’t install macOS Catalina is compatibility problem. Restart your Mac when Mac progress bar stuck. Whenever you encounter the boot problem, you can.

Catalina Won't Download

Why Won't Mac Os Catalina Download

I am using OSX 10.9.2In the notifications on my mac, it says I can download an update for Firefox version 32.0.3...but when I click on that notification to do so, it slides back off the screen and doesn't install.