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The Troubleshooting page has details such as installed extensions, preferences and graphics information, to help you solve Firefox problems.

Firefox includes a page with information such as which Firefox version you are using, any installed extensions, important modified preferences, and graphics information. If you are getting help with a Firefox issue on the support forum, content that you provide from this ''Troubleshooting Information'' page can help you get your issue solved quickly. This article describes how to access and use the Troubleshooting Information page. __TOC__ = Accessing the Troubleshooting Information page = Click the menu button [[Image:New Fx Menu]], click help [[Image:Help-29]] and select {menu Troubleshooting Information}. You will be taken to a page with the address ''about:support''.<br><br>{for fx42}[[Image:Fx42aboutsupport]]{/for}{for =fx40,=fx41}[[Image:Fx40aboutsupport]]{/for}{for =fx38,=fx39}[[Image:Fx38aboutsupportWin7]]{/for}{for =fx35,=fx36,=fx37}[[Image:TroubleshootingInfo-Fx35]]{/for}{for =fx33,=fx34}[[Image:troubleshooting 33]]{/for}{for =fx29,=fx30,=fx31,=fx32}[[Image:aboutsupport-Fx29Fx30]]{/for} {for not fx35} = Reset Firefox = {/for} {for fx35} = Give Firefox a tune up = {/for} [[Template:reset-fx]] = Try Safe Mode = You can restart Firefox in Safe Mode to temporarily turn off hardware acceleration, reset some settings, and disable add-ons (extensions and themes) that might be causing problems. See [[Troubleshoot Firefox issues using Safe Mode]] for more information. = Copy to clipboard = Clicking on the {button Copy text to clipboard} button will copy all the text on the page to the {for win}Windows clipboard{/for}{for mac}Mac clipboard{/for}{for linux}clipboard{/for}. After copying, you can paste the information into another window for someone to see by clicking the {menu Edit} menu in the program you are using and then selecting {menu Paste} (or by holding down the {key {for win,linux}Ctrl{/for}{for mac}command{/for}} key and pressing{key V}). = Application Basics = * '''Name''': Tells you the name of the product you are using. In most cases, it should say "Firefox". * '''Version''': Tells you which version number of Firefox you are using. *'''Update History''': Clicking on {button Show Update History} will open a window showing a history of Firefox updates that have been installed. * '''User Agent''': In addition to your browser and its version number, the User Agent provides other details about your system, such as the operating system and version. {for linux} * '''Profile Directory''': Your profile directory is a location on your computer where Firefox stores your personal information such as bookmarks, passwords, and user preferences. Clicking on {button Open Directory} will take you to your profile directory, where you can manage your files. For more information, see [[Profiles - Where Firefox stores your bookmarks, passwords and other user data]]. {/for} {for win,mac} * '''Profile Folder''': Your profile folder is a location on your computer where Firefox stores your personal information such as bookmarks, passwords, and user preferences. Clicking on {button {for win}Show Folder{/for}{for mac}Show in Finder{/for}} will take you to your profile folder, where you can manage your files. For more information, see [[Profiles - Where Firefox stores your bookmarks, passwords and other user data]]. {/for} * '''Enabled Plugins''': [[Use plugins to play audio, video, games and more|Plugins]] are Firefox add-ons that manage Internet content that Firefox is not designed to process. These usually include patented formats for video, audio, online games, presentations, and more. Clicking on ''about:plugins'' will take you to a page that lists all of your installed plugins, their version numbers, and the type of Internet content each plugin is registered to handle. For more information, see [[Troubleshoot issues with plugins like Flash or Java to fix common Firefox problems]]. * '''Build Configuration''': Clicking on ''about:buildconfig'' will take you to a page that will help someone understand if you are using a standard version of Firefox or a custom version. * '''Memory Use''': Clicking on ''about:memory'' will take you to a page that shows memory usage. For more information, see [https://blog.mozilla.org/nnethercote/2013/04/26/recent-aboutmemory-improvements/ this blog post]. {for fx40} * '''Registered Service Workers''': Clicking on ''about:serviceworkers'' will show you whether or not the [https://developer.mozilla.org/en-US/docs/Web/API/Service_Worker_API Service Workers] feature is enabled and if any current Worker URLs are registered. Service workers are used for web enhancements such as [[Web Push notifications in Firefox|push notifications]]. {/for} {for fx33} * '''Multiprocess Windows''': This shows you the number of [http://billmccloskey.wordpress.com/2013/12/05/multiprocess-firefox/ Multiprocess Firefox] windows (if any) and the total number of windows that are open. {/for} {for fx42} * '''Safe Mode''': This tells you whether or not Firefox is currently in [[Troubleshoot Firefox issues using Safe Mode|Safe Mode]]. {/for} = Crash Reports for the Last 3 Days = This section lists crash Report IDs, if any, submitted by the [[Mozilla Crash Reporter]] during the last three days. Clicking on one of the ''Report ID'' links will take you to a web page with details about that crash. Clicking on the ''All Crash Reports'' link will take you to the about:crashes page listing all submitted crash reports. To get help with crashes, see [[Firefox crashes - Troubleshoot, prevent and get help fixing crashes]]. = Extensions = [[Find and install add-ons to add features to Firefox|Extensions]] are Firefox add-ons that provide additional functionality to Firefox. They are installed separately, and are usually installed by you. This section lists the name of each extension you have installed, its version, whether it is enabled, and its ID string. It is particularly useful in cases where an extension is the cause of a problem in Firefox. For more information, see [[Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems]]. = Graphics = Firefox can use your computer's graphics processor to speed up the display of some pages with video and animation, which is called [https://en.wikipedia.org/wiki/Hardware_acceleration hardware acceleration], and to display [http://en.wikipedia.org/wiki/WebGL WebGL] content. This section {for win} provides information about your computer's graphics device and driver and{/for} will tell you whether hardware acceleration and WebGL are enabled or not in Firefox. Note that graphics features may be disabled because of outdated graphics drivers. For help updating your graphics drivers, see [[Upgrade your graphics drivers to use hardware acceleration and WebGL]]. = Important Modified Preferences = In this section, you will see a list of settings that have been changed from their defaults. This information will help someone know how you have adjusted your installation of Firefox. For instructions on how to reset preferences to default, see [[Reset Firefox preferences to troubleshoot and fix problems]]. = JavaScript = This section displays some [[JavaScript settings and preferences for interactive web pages|JavaScript]] settings that can impact your browsing performance. = Accessibility = This section shows if you have accessibility software enabled in Firefox. = Library Versions = This section tells you which versions of some runtime libraries are used. {for fx31} = Experimental Features = This section has details about current or past [https://wiki.mozilla.org/Telemetry/Experiments telemetry experiments], if any, that you've been part of. For more information about Telemetry, see the article [[Share telemetry data with Mozilla to help improve Firefox]]. {/for}