DNS Prefetching DNS Prefetching is a technique Firefox uses to speed up loading new websites. Update or disable the Java plugin Sometimes Java applets can cause the Firefox process to persist after exit. Based on information from Bookmarks not saved (mozillaZine KB) Customize this article Firefox Version 51 Version 50 Version 49 Version 48 Version 47 Version 46 Version 45 Linux Mac Windows XP Information: The "places" files store the annotations, bookmarks, favorite icons, input history, keywords, and browsing history (a record of visited pages). Source
Download the latest official version of Firefox from mozilla.org. See this compatibility document and this article for details. Use Windows Explorer to navigateNavigate to the folder shown for the plugin you want to remove. A window with your profile filesfolder will open.Note: If you are unable to open or use Firefox, follow the instructions in Finding your profile without opening Firefox. https://support.mozilla.org/en-US/kb/troubleshoot-and-diagnose-firefox-problems
Content available under a Creative Commons license. Follow these steps to completely remove and reinstall Firefox. One option to solve this is to uninstall the software. Select true when prompted to set the value and click OK.
Table of Contents1 Determining if a plugin is the problem2 Updating or re-installing your plugins3 Manually uninstalling a plugin4 Re-initializing the plugins database Determining if a plugin is the problem You To check if any of your installed plugins are out of date, visit Mozilla's Plugin Check & Updates page. If Firefox starts but won't load any websites, see Websites don't load - troubleshoot and fix error messages. What Is Wrong With Firefox Lately The Troubleshooting Information tab will open.
Try a clean reinstall (see Firefox keeps crashing at startup). Problems With Firefox Not Responding This didn't solve my problem. This will reset any toolbar customizations you have made. https://support.mozilla.org/en-US/kb/firefox-does-not-work-common-fixes Content available under a Creative Commons license.
Note: If you send performance data, Mozilla will gather data including hangs for your Firefox, which will help making Firefox better for future versions. Firefox Won't Load Pages Click the menu button and choose Options.Preferences. Consider using it before going through a lengthy troubleshooting process. Reinstall Firefox5 5.
Follow the steps in Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems to determine the cause. try this In the Enter the preference name window, enter network.dns.disablePrefetch and click OK. Firefox Not Working After Update If the other browsers can load the website, skip ahead to the Firefox cannot load websites but other browsers can section. Firefox Problems 2016 Updating or re-installing your plugins Many problems with plugins can be solved by updating to the latest version of the plugin.
You do not need to restart Firefox for the changes to take effect. this contact form Firefox will start up with the Firefox Safe Mode dialog. Click the menu button and choose Options.Preferences. Click OK. Firefox Not Loading Pages
Check for malware Malware (short for "malicious software") can cause problems with Firefox. Test for your problem. Firefox hangs when you quit it Sometimes when you close Firefox, it may stop responding and remain in memory, even though no Firefox windows are open. http://visu3d.com/firefox-not/solved-firefox-for-xp.html Refresh Firefox The Refresh Firefox feature can fix many issues by restoring your Firefox profile to its default state while saving your essential information.
If Firefox uses a lot of computer resources, see the solutions proposed in Firefox uses too many CPU resources - How to fix and Firefox uses too much memory (RAM) - Reinstall Firefox Mac It'll show you where you can find solutions to many common issues and, as always, if you need extra help with any of this, we have a community of volunteers standing It may be missing or inaccessible See How to run Firefox when your profile is missing or inaccessible for solutions.
Firefox only keeps one copy of this file and there are no automatic backups for browsing history as there are for bookmarks. Clear your cookies and cache Many problems with loading web pages can be resolved by clearing Firefox's cookies and cache: Click the menu button , choose History and select Clear Recent The Add-ons Manager tab will open. Firefox Help Troubleshooting Your bookmarks will be restored from backup but you will lose your browsing history.
Click Clear Now. Note: You might want to print these steps or view them in another browser. Right-click the icon. Check This Out Select the General panel.
Re-initializing the plugins database may fix this problem: Open your profile folder: Click the menu button , click help and select Troubleshooting Information. Firefox won't start That's a pretty big problem. Restart Firefox in Safe Mode4 4. If the problem goes away, you can then move your bookmarks and other important settings into the new profile.
Firefox will start up with the Firefox Safe Mode dialog. After a crash, you should see the Mozilla Crash Reporter appear. To fix the issue, restart Firefox. Microsoft offers a Windows Media Feature Pack (for versions designated as Windows N and KN editions) and a Platform Update Supplement (for Windows Vista and Server 2008) that you can download
If Firefox crashes at startup: Check to see if the crash happens in safe mode (see below). Cannot load websites after updating Firefox If you were able to load websites until you updated Firefox, your Internet security software (including firewalls, antivirus programs, anti-spyware programs, and more) is likely When Firefox reopens it will create a new places database. See Firefox hangs or is not responding - How to fix for solutions.
Check whether your problem happens when you have all plugins disabled. I can add or change bookmarks but they are lost when I restart Firefox If you are able to add, delete, rearrange, and make other changes to your bookmarks but your If all other browsers cannot load the website, move on to the No browsers can load websites section. In general, you should remove Firefox from your program's list of trusted or recognized programs, then add it back.
You can try to configure your firewall to see if it helps the hang go away. Download the latest official version of Firefox from mozilla.org. To ensure that your system is clean of spyware and viruses, install, update their virus databases, and use both of these programs: Malwarebytes' Anti-Malware SuperAntispyware Portable Scanner For more information, see After Firefox starts in Safe Mode, test for your problem.
Change the PAC implementation If you're using a proxy auto-config file (PAC), Firefox may hang when you attempt to load sites that don't exist or that you haven't opened recently. Click I'll be careful, I promise!I accept the risk!