Troubleshoot and diagnose Firefox problems

 Most problems with Firefox can be fixed by following the troubleshooting methods described below. Try these steps in order. If one doesn't work, move on to the next one. If you need extra help with any of this, we have Fix Firefox Error.

1. Restart your computer

Sometimes problems can be fixed by simply restarting your computer and then starting Firefox again.

2. Clear your cookies and cache

Many problems with loading web pages can be resolved by clearing Firefox's cookies and cache:

  1. Click the Library button on your toolbar. (If you don't see it there, click the menu button  then click Library.) Click History and select Clear Recent History….
  2. In the Time Range to clear: drop-down, select Everything.
  3. Below the drop-down menu, select both Cookies and Cache. Make sure other items you want to keep are not selected.
  4. Click Clear Now.

. Restart Firefox in Safe Mode

Firefox Safe Mode is a troubleshooting mode that disables extensions, uses the default theme, turns off hardware acceleration and uses default toolbar settings, among other changes (see this article for details). To start Firefox in Safe Mode:

  1. Click the menu button , click Help and select Restart with Add-ons Disabled…. Firefox will start up with the Firefox Safe Mode dialog.
  2. In the Firefox Safe Mode dialog, click Start in Safe Mode.
  3. Check whether your problem is still happening while in Safe Mode.
  • If the problem still happens in Safe Mode, go on to step 4.
  • If the problem does not happen in Safe Mode, follow these instructions to troubleshoot extensions, themes and hardware acceleration.

Reinstall Firefox

Some Firefox issues can be caused by a problem with one of the Firefox program files. Follow these steps to completely remove and reinstall Firefox. This process will not remove your Firefox profile data (such as bookmarks and passwords), since that information is stored in a different location.

  1. Download and save the installer for the latest official version of Firefox from mozilla.org.
  2. Exit Firefox (if open): Click the Firefox menu Fx57Menu and select Exit.
  3. You may want to make a note of the Mozilla Firefox program folder location (right-click the Firefox desktop icon, select Properties from the context menu and click the Shortcut tab) since there may be leftover files and folders after you uninstall Firefox that should be removed for a clean reinstallation.

5. Refresh Firefox

The Refresh Firefox feature can fix many issues by restoring your Firefox profile to its default state while saving your essential information.

  1. Click this Refresh Firefox button directly, if you are viewing this page in Firefox. This won't work if you are using a different browser or a mobile device.
    • You can also find a Refresh Firefox button at the top of the Firefox about:support Troubleshooting Information page.
  2. To continue, click Refresh Firefox in the confirmation window that opens.
  3. Firefox will close to refresh itself. When finished, a window will list your imported information. Click Finish and Firefox will open.

6. Create a new Firefox profile

Sometimes files in your Firefox profile folder that correspond to the essential information that a Firefox Refresh doesn't remove (such as bookmarks and browsing history) may be causing the issue. You can create a new, additional profile which will not contain any of your old Firefox data. See the Profile Manager - Create, remove, or switch Firefox profiles article for instructions.


                      Call 1-856-514-8666 for help and support of Fix Firefox Error.


Comments

Post a Comment

Popular posts from this blog

How to Fix a Corrupted Firefox Browser

  Like every program, Firefox sometimes freezes and crashes, and some websites might not load correctly. These occasional glitches don't require your attention, but if the program repeatedly runs into a major problem, it might indicate trouble with your profile settings or an extension, or the program itself might need reinstalling. Full reinstallation is a last resort, however, and most solutions retain your browser customizations and bookmarks. Initial Troubleshooting Steps Before taking any elaborate measures, try rebooting your computer. Though a stereotypical answer to almost any computer problem, a reboot can actually fix all sorts of unusual problems by clearing everything out of the system's memory. If you're having trouble with a particular site, also try erasing your cache: Press "Ctrl-Shift-Del," set the time range to "Everything" and make sure "Cache" is checked in the  Details  section. If these basic solutions don't help, the ...
Read more

Firefox options, preferences and settings

Image
  This article summarizes the Firefox   Options   panels and what types of settings they contain. Click the menu button   and select  Options . The following panels are available: General panel This panel contains  options  for the following types of settings: General Startup  and  Tabs : This is where you can set Firefox as your default browser, set Firefox to restore your previous session at startup and choose how tabs are opened. Language and Appearance Fonts & Colors  and  Language : This is where you can change the fonts and colors websites use, where to choose the language to display menus, notifications, messages and other parts of the Firefox interface, where to choose a preferred display language for web pages and where you can choose to use the Firefox spell checker.  Mozilla Firefox Help Files and Applications Downloads ,  Applications  and  Digital...
Read more

Firefox keeps crashing at startup

  A   crash   is what happens when Firefox closes or quits unexpectedly and the   Mozilla Crash Reporter   appears. If Firefox keeps crashing when you open it, this article will show you how to get it working again. Other problems with crashing: If Firefox starts without crashing but then crashes later on, see the Firefox crashes - Troubleshoot, prevent and get help fixing crashes article for solutions. If Firefox won't start at all, but the Mozilla Crash Reporter appears, see the Firefox won't start - find solutions article for other possible fixes. See if you can start in Firefox Safe Mode As a first step you should see if Firefox starts in Firefox Safe Mode. This special startup mode temporarily turns off hardware acceleration among other settings and disables installed extensions that may prevent Firefox from starting. If you can start in Firefox Safe Mode, see the article Troubleshoot extensions, themes and hardware acceleratio...
Read more