An expired certificate on the Mozilla Add-ons infrastructure is disabling Firefox add-ons for millions of users, and is also preventing users from re-activating or (re-)installing extensions. The ...

As more and more versions of Firefox are released, the compatibility of add-ons is becoming an increasingly worrisome problem for Mozilla. CNET contributor Don Reisinger is a technology columnist who ...

Add-ons in Mozilla Firefox automate a wide variety of tasks and enhance the functionality of the Web browser. Too many Firefox add-ons slow the browser dow, however. Add-ons also occasionally limit ...

Firefox 57 is set to bring the biggest shake-up that Mozilla's browser ecosystem has seen in quite some time, and the simple reason is that a huge number of browser extensions and add-ons are set to ...

Firefox supports small programs, or plug-ins, that add extra functionality to the browser. These programs are called Add-ons. These programs can add a myriad of features ranging from a new toolbar ...

In addition to customizing the buttons on the Firefox toolbar, you can also customize what buttons are displayed in the Firefox menu. This provides easy access to Firefox extensions or other desired ...

LastPass works with Firefox thanks to the password encryption company's browser add-on. To get LastPass to work with Firefox, type "about: addons" into the URL bar ...

Unwanted ads like pop-ups or pop-unders are windows or advertisements that appear on a Web page without permission. Many times visiting a site will cause them to launch automatically. Mozilla Firefox ...

Firefox 3 was released just this June, and many Firefox fans believe the new version is clearly the best browser you can get. You can make it even better with free ...

Firefox isn’t the most popular browser in the world — that honor now goes to Google Chrome — but it still has an ardent following. And after slipping in recent years, it has been on something of a ...