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Profile Manager - Create, remove or switch Firefox profiles
Firefox stores your personal information and settings in a profile folder. Learn to work with different profiles on Firefox.
Access your add-ons with a Mozilla account
The addons.mozilla.org (AMO) site is using Mozilla accounts to offer a more integrated experience across all Mozilla services and products.
Websites don't load - troubleshoot and fix error messages
Are you having trouble getting a website to load? This article will show you how to fix the problem so you can get back to surfing the web.
Captive portal detection
Description of how Firefox detects captive portal networks.
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