cancel
Showing results for 
Search instead for 
Did you mean: 

Documents Archive

Sort by:
This article applies to older versions of Firefox (versions 43 and below). If you see the error message Your connection is not secure, see the article What does "Your connection is not secure" mean?. This article describes why the This Connection Is Untrusted error message
View full article
Although Firefox will run on Windows XP Service Pack 2 (SP2) or above, the latest installers for Firefox require Windows XP with Service Pack 3 (SP3) or Windows Vista with update KB2763674. To work around this issue, a two-step process is necessary to install the latest version of
View full article
Instead of hunting all over Firefox to change various website permissions, the Permissions Manager now collects them all in one place. You can customize permissions for individual sites or set the default permissions for all sites. This article will get you started. Note: Individual
View full article
This article applies to older versions of Firefox. OptionsPreferences for tab settings in Firefox 38 and above are now found on the General panel. For more information, see the Startup, home page, tabs, and download settings article. The Tabs panel of the Options window is where
View full article
Give Firefox a tune up Refresh Firefox
View full article
ActiveX is a Microsoft technology that is used to add functionality to Windows programs. ActiveX "controls" are often used to enable Microsoft's Internet Explorer browser to view and use multimedia content embedded in web pages (for example, Flash applications). They are
View full article
Firefox removed the Add-on bar and now places an Add-on's button in the main toolbar. We'll explain how to customize their display or how to restore the Add-on Bar if you wish.
View full article
Firefox 43 included a change to reject new security certificates made using an old algorithm called "SHA-1". Microsoft and Google will soon be making a similar change to their products. Since this change, some Firefox users with certain third-party tools have had problems
View full article
Firefox Hello has been removed from Firefox. Learn more. Firefox Hello will ask to use your camera or microphone at the beginning of each call, unless you've set your permissions to automatically block or allow access. Follow these steps to change these permissions settings. Click
View full article
The issue described in this article applies to Windows only. Firefox version 33 includes a new feature called Off Main Thread Compositing (OMTC) which is a faster way of loading webpages. This new feature can cause a black or blank screen on some systems when starting Firefox or after
View full article
One of the great things about Firefox is how customizable it is. In fact, you can even make it look like the old Firefox if you want. Do you miss the Add-ons bar, small icons or tabs on bottom? No problem. We'll show you how to get them back. Note: This applies to the latest Firefox
View full article
Public Key Pinning helps ensure that people are connecting to the sites they intend. It allows site operators to specify who can issue valid certificates for them, rather than accepting any one of the hundreds of built-in root certificates that ship with your browser. If a site makes
View full article
Make Firefox faster and more responsive  Firefox is slow – how to make it faster  Firefox takes a long time to start up  Firefox uses too many CPU resources - How to fix  Firefox uses too much memory (RAM) - How
View full article
If you're having problems with Firefox, resetting it can help. The reset feature fixes many issues by restoring Firefox to its factory default state while saving your essential information like bookmarks and open tabs. Table of Contents1 Reset Firefox to its default state2 What
View full article
Firefox Hello has been removed from Firefox. Learn more. Note: Please update your version of Firefox to enjoy these latest features. Firefox Hello lets you have free video and voice calls and text messaging directly in the browser. All you need are a webcam (optional), a microphone,
View full article
If you're having problems with Firefox, resetting it can help. The reset feature fixes many issues by restoring Firefox to its factory default state while saving your essential information like bookmarks and open tabs. Table of Contents1 Reset Firefox to its default state2 What
View full article
Firefox users with Flash 11.3 and RealPlayer installed have reported that Flash videos or games on sites like Facebook or YouTube may appear, black, white or grey and never play. This can be fixed by updating to the latest version of RealPlayer. Note: This article only applies to
View full article
You may see the following error message when attempting to access a router's configuration page: Your certificate contains the same serial number as another certificate issued by the certificate authority. Please get a new certificate containing a unique serial number. (Error
View full article
This article describes why Firefox may ask for a user name and password on internal/intranet sites (for example, a Sharepoint site) while Internet Explorer doesn't. Many internal sites use NTLM authentication, which reuses your network login as a login for the site. In many organizations,
View full article
If you're having problems with Firefox, resetting it can help. The reset feature fixes many issues by restoring Firefox to its factory default state while saving your essential information like bookmarks and open tabs. Table of Contents1 Reset Firefox to its default state2 What
View full article