Firefox ESR 45.2.0 ESR is an Extensive Support Release web browser designed for use in an environment that deploy a large number of desktop computers for example, colleges, government and business office building. It is a community led project with the aim of providing a browser that is fast, flexible and secure for organizations.
Warning: Downgrading to an older version can cause loss of Firefox user data, as well as performance and security issues. We advise against downgrading so please do so at your own risk.
If you must use an older version of Firefox, please a separate for the older version, to minimize data loss. Often when there is a problem with a Firefox update, people look for a way to go back to the previous version. That usually doesn't solve the problem and will make your computer and information vulnerable to attack. This article gives you some alternatives to downgrading and links to old versions of Firefox if you do choose to downgrade. Ensure all security and security related software is fully updated.
Some security software will need to be upgraded to a new version for each Firefox version update. Optional software bundled with security software may also need updating. Such software may not be essential for your security, but if outdated, it may interfere with the use of Firefox, or cause Firefox to crash. I still want to downgrade — where can I get the previous version? Although Mozilla has a website with old versions of Firefox for testing purposes, it is not recommended that you use anything but the latest version. Important: By default, Firefox is set for automatic updates.
To prevent Firefox from automatically updating itself after you install an older version, you'll need to change your Firefox update settings: Click the menu button and choose Options. In the General panel, go to the Firefox Updates section. (In 55 and below, you would go to the panel and choose the Update tab.) Go to the Advanced panel and choose the Update tab (see for details). Downgrade alternatives Instead of downgrading to an older, insecure version of Firefox and changing your update settings, you should consider these alternatives: Install Firefox Extended Support Release.
Is an official version of Firefox developed for large organizations like universities and businesses. Firefox ESR does not come with the latest features but it has the latest security and stability fixes.
For more information, see the article. Use the latest version of another browser.
Managing Browser Add-Ons In Mozilla Firefox Mozilla Firefox is a fast, light and tidy open source web browser. At its public launch in 2004 Mozilla Firefox was the first browser to challenge Microsoft Internet Explorer’s dominance. Since then, Mozilla Firefox has consistently featured in the top 3 most popular browsers globally.
The key features that have made Mozilla Firefox so popular are the simple and effective UI, browser speed and strong security capabilities. The browser is particularly popular with developers thanks to its open source development and active community of advanced users. Easier Browsing Mozilla put of a lot of resources into creating a simple but effective UI aimed at making browsing quicker and easier. They created the tab structure that has been adopted by most other browsers.
Start up speed and graphics rendering are also among the quickest in the market. Firefox manages complex video and web content using layer-based Direct2D and Driect3D graphics systems. Crash protection ensures only the plugin causing the issue stops working, not the rest of the content being browsed. Ut File.
Reloading the page restarts any affected plugins. The tab system and Awesome Bar have been streamlined to launch/get results very quickly too. Security Firefox was the first browser to introduce a feature which allows you to use the internet more anonymously and securely. History, searches, passwords, downloads, cookies and cached content are all removed on shutdown. Minimizing the chances of another user stealing your identity or finding confidential information. Content security, anti-phishing technology and antivirus/antimalware integration ensures your browsing experience is as safe as possible. Personalisation & Development One of the best features of the Firefox UI is customization.
Simply right click on the navigation toolbar to customize individual components or just drag and drop items you want to move around. The inbuilt Firefox Add-ons Manager allows you to discover and install add-ons within the browser as well as view ratings, recommendations and descriptions.. Thousands of customizable themes allow you to customize the look and feel of your browser.
Site authors and developers can create advanced content and applications using Mozilla’s open source platform and enhanced API.. Please note: from version 53.0 onward Windows XP and Vista are no longer supported.