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Fix problems with websites (Facebook, YouTube, webmail etc.)

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Are you having trouble getting a website to load? Don't worry — we're here to help. This article will show you how to fix the problem so you can get back to surfing the web. Note: If you see the shield icon in the address bar and you're having trouble
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This article describes problems where Firefox cannot load websites, but other web browsers (such as Internet ExplorerSafariEpiphany on Gnome or Konqueror on KDE) can. When this happens, Firefox may show a Server not found or Unable to connect error message. For other error messages
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If you find that you can't log in to a website that requires a username and password, follow the steps described in this article. If you can log in to a website manually, but can't save or use saved usernames and passwords, see Usernames and passwords are not saved. Table
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If you're having the same problems loading websites on every browser, these are some possible causes and ways to fix them. Note: Before you proceed, check if your problem also occurs in another browser, such as Internet ExplorerSafariEpiphany. If it doesn't, see Firefox can't
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This article deals with websites not appearing correctly in Firefox. If you receive error messages when trying to load websites, see the Websites don't load - troubleshoot and fix error messages article instead. If any of the more specific articles below apply to you, see
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This article explains what to do when specific websites (not all) start to load, but never finish (i.e. the tab displays a spinning wheel and "Connecting..." for several minutes). If Firefox cannot load websites but displays an error message at the end, see Firefox can't
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This article describes how to troubleshoot problems connecting to websites that start immediately after updating Firefox to a new version. Follow the instructions in this article if you can connect to websites using another browser (such as Internet ExplorerSafariEpiphany), but
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This article describes how to troubleshoot problems you might encounter while using Facebook in Firefox. Note: If you share your computer with other people and don't want them to log in to your Facebook account, read How do I share Firefox between people on a computer? Table
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In order to improve performance and focus on technologies that use Web standards, Firefox is dropping support for plugins except for Flash, starting with version 52.   If you use Hangouts, you will have issues with audio and video calls, but chat will still work. This is a temporary issue while Google develops a way to make Hangouts work without plugins. (see the official Google communication on this issue).   In the meantime, you can download the Extended Release Support (ESR) version of Firefox until Google releases a fix.
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Figure out if it’s Firefox or the website that’s causing the problem? Open a new tab and check to see if you can load another website like google.com or mozilla.org. If you can open another site, see: The problem only happens with certain websites If you cannot open another site,
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Some websites may no longer load after updating to Firefox version 51 or later. Browsers look at a website's certificates so that your information remains safe when it connects you to that website. Recently, an issue has been discovered with two types of certificates: WoSign
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Some websites are coded exclusively for WebKit, the layout engine for mobile sites in Safari and Chrome. These WebKit-only sites might not display correctly on other browsers, like Firefox, Opera or Internet Explorer. If you encounter this problem, use Firefox to view the desktop
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Note: This article only applies to Windows. Note: This article does not apply to your version of Firefox. The good news is that Firefox now supports high resolution monitors. The bad news is that this may have the effect of making websites look bigger than you're used to. We'll
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This issue does not apply to your version of Firefox. This issue does not apply to your version of Firefox. This issue may apply to your version of Firefox. This issue may apply to your version of Firefox. Some bank and government sites use the SignText certificate to communicate
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