Firefox stores your personal data and settings in a profile folder. Learn what information it contains and how to find your profile.

This article describes how to uninstall the Firefox application from your computer and also how to remove the personal information that Firefox stores.

3. Restart Firefox in Troubleshoot Mode Firefox Troubleshoot Mode is a diagnostic mode that disables extensions, uses the default theme, turns off hardware acceleration and uses default toolbar settings, among other changes (see this article for details). To start Firefox in Troubleshoot Mode:

Firefox brings your favorite features and security to your Android and iOS devices. Learn how to install the mobile app on your phone or tablet, so you can browse the web quickly and privately.

How to make Web links open in Firefox automatically by setting it as the default browser on your computer.

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We'll explain errors such as "Server not found" or "Unable to connect" and how to fix problems where Firefox can't access websites but other browsers can.

The Firefox cache temporarily stores images, scripts, and other parts of websites you visit in order to speed up your browsing experience. This article describes how to clear the cache. To clear your history (cookies, browsing history, cache, etc.) all at once, see Delete browsing, search and download history on Firefox.

REDIRECT Switch to Firefox Extended Support Release (ESR) for personal use Share this article: https://mzl.la/3djbON9 These fine people helped write this article:

This article is intended for IT administrators who wish to set up Firefox on the computers within their organization. Note: This article does not apply to Linux or macOS systems. To customize policies for Firefox on these operating systems, refer to Customize Firefox using policies.json. On Windows, policy support is implemented using Group Policy.