Troubleshoot Firefox crashes (closing or quitting unexpectedly)

We sympathize how frustrating information technology is when Firefox crashes (closes or quits unexpectedly). When Firefox crashes, the Mozilla Crash Reporter will allow you to submit a crash to us so we can go on making improvements to Firefox. Hither are too some things to try to get Firefox upward and running optimally.

Before getting started:

  • If the page stops working because part of the page has crashed or stopped responding, endeavour reloading the page to come across if that fixes the problem.
  • If Firefox is open only won't respond to whatever of your actions, then this is a hang, non a crash. See Firefox hangs or is not responding - How to fix for solutions.
  • If Firefox crashes at startup:
    1. Bank check to see if the crash happens in Safety Mode Check to see if the crash happens in Troubleshoot Mode (see below).
    2. Attempt a clean reinstall (see Firefox keeps crashing at startup).

Otherwise, follow the steps below in club.

Table of Contents

  • one Update your software
    • 1.1 Update Firefox
    • 1.ii Update Windows
    • one.three Update macOS
    • i.iv Update Linux
    • 1.5 Update your drivers
    • one.6 Update your Internet Security software
  • ii Cheque for viruses or spyware
  • 3 Check for third-political party modules
  • 4 Bank check to see if the crash happens in Safe Mode
    • 4.1 The crash still happens in Rubber Mode
    • 4.2 The crash doesn't happen in Safety Mode
  • 5 Cheque to run across if the crash happens in Troubleshoot Style
    • 5.1 The crash still happens in Troubleshoot Manner
    • v.ii The crash doesn't happen in Troubleshoot Mode
  • 6 Bank check your hardware
    • 6.1 Check your RAM for errors
  • 7 Get assist fixing this crash
    • 7.one Ask for assistance in the Community Back up forum

Update your software

The crash you're experiencing may have already been fixed in a new version!

Update Firefox

Every Firefox release includes a number of fixes for crashes that people have reported. Making sure you have the latest version may fix your crash. See Update Firefox to the latest release for details.

Update Windows

Make sure y'all accept all of the latest security and stability fixes.

Update macOS

Make sure your Mac has all of the latest security and stability fixes.

Update Linux

Brand sure you have all of the latest security and stability fixes.

Update your drivers

Check if your graphics drivers are upward-to-date. For more than information, come across Upgrade your graphics drivers to use hardware acceleration and WebGL.

If your crash happens while press, check that your printer driver is upwardly-to-date by going to your printer manufacturer's support website. The Set up printing problems in Firefox article may as well assistance.

Update your Internet Security software

Make sure you have the latest version of your Internet security software (including firewalls, antivirus programs, anti-spyware programs, and more than).

Check for 3rd-party modules

3rd-party applications (such as antivirus software, archiving software, and other tools) may load modules into Firefox. Sometimes, these applications load harmful modules that cause Firefox crashes, reduced performance, or compatibility bug. You may not notice that a malicious or unexpected module has been loaded and information technology may cause bug that appear to exist Firefox issues. For more information, see Identify problems caused past 3rd-party modules in Firefox for Windows.

Bank check to run across if the crash happens in Safe Fashion

If updating software didn't work or if Firefox crashes on startup, use the steps below to test whether the crash happens in Firefox Safe Style or not and then follow the instructions in the recommended manufactures.

  1. Click the card button Fx57menu, click , select and click Restart in the Restart Firefox in Troubleshoot Way? dialog.

    Note: Y'all can also start Firefox in Troubleshoot Way past holding down the shift primal while starting Firefox. belongings down the pick primal while starting Firefox. quitting Firefox and then going to your Final and running: firefox -condom-mode
    You may demand to specify the Firefox installation path (eastward.g. /usr/lib/firefox)

    Click the carte du jour button Fx57menu, click , select and click Restart in the Restart With Add-ons Disabled dialog.

    Note: You tin also start Firefox in Safe Mode by holding downwards the shift key while starting Firefox. belongings down the pick key while starting Firefox. quitting Firefox then going to your Terminal and running: firefox -condom-way
    Yous may need to specify the Firefox installation path (due east.g. /usr/lib/firefox)

  2. When the Firefox Safe Mode window appears, press the Start in Rubber Fashion button.
    Fx68SafeMode

After Firefox starts in Safe Way, test for your trouble.

Note: The Refresh Firefox feature can fix many issues by restoring Firefox to its default country while saving your essential information. Consider using it before going through a lengthy troubleshooting process.

The crash notwithstanding happens in Condom Style

If your crash notwithstanding happens in Safe Mode, it is not being caused by an extension, theme or hardware dispatch. Try to get help with your crash ID (come across below).

The crash doesn't happen in Safe Mode

If your crash doesn't happen in Safety Mode, it is most likely because an extension, theme or hardware acceleration is causing the crash.

  • Follow the steps in Troubleshoot extensions, themes and hardware dispatch issues to solve common Firefox problems to decide the cause.

Check to meet if the crash happens in Troubleshoot Style

If updating software didn't work or if Firefox crashes on startup, use the steps beneath to test whether the crash happens in Firefox Troubleshoot Mode or not and then follow the instructions in the recommended articles.

  1. Click the carte du jour push button Fx57menu, click , select and click Restart in the Restart Firefox in Troubleshoot Manner? dialog.

    Note: Y'all can also kickoff Firefox in Troubleshoot Mode by belongings down the shift key while starting Firefox. holding downward the option fundamental while starting Firefox. quitting Firefox and so going to your Final and running: firefox -safety-manner
    You may demand to specify the Firefox installation path (e.chiliad. /usr/lib/firefox)

    Click the menu button Fx57menu, click , select and click Restart in the Restart With Add-ons Disabled dialog.

    Note: Y'all can also offset Firefox in Safety Style by holding downwards the shift primal while starting Firefox. property down the pick key while starting Firefox. quitting Firefox and then going to your Last and running: firefox -safety-fashion
    You may need to specify the Firefox installation path (e.g. /usr/lib/firefox)

  2. When the Open up Firefox in Troubleshoot Mode? window appears, press the Open up button.
    Fx88TroubleshootMode

After Firefox starts in Troubleshoot Way, test for your problem.

Note: The Refresh Firefox feature can fix many bug by restoring Firefox to its default land while saving your essential data. Consider using it before going through a lengthy troubleshooting procedure.

The crash still happens in Troubleshoot Manner

If your crash still happens in Troubleshoot Mode, it is not existence acquired by an extension, theme or hardware dispatch. Effort to become assistance with your crash ID (see below).

The crash doesn't happen in Troubleshoot Way

If your crash doesn't happen in Troubleshoot Mode, information technology is most likely because an extension, theme or hardware acceleration is causing the crash.

  • Follow the steps in Troubleshoot extensions, themes and hardware acceleration problems to solve common Firefox problems to determine the cause.

Cheque your hardware

Check your RAM for errors

If Firefox crashes repeatedly, check your RAM for errors using for example the post-obit tool, Memtest86+ Rember.

Get help fixing this crash

Figuring out the cause of a crash tin can be difficult. If yous've tried the steps above and can't get Firefox to stop crashing, the instructions beneath volition show y'all how to become the crash Report IDs for your nigh recent submitted crash reports, so our volunteers can assist you lot.

If you lot tin open up Firefox, at least in Safety Style: If you tin open up Firefox, at to the lowest degree in Troubleshoot Manner:

  1. In the Firefox address bar, blazon virtually:crashes and hit Enter Return . A folio listing submitted crash reports (and unsubmitted crash reports, if any) will appear.
    Fx64Beta-aboutcrashes-unsubmitted
    • If you lot have contempo, unsubmitted crash reports:Click the Submit button for each recent unsubmitted report and and then reload the well-nigh:crashes page.
  2. Y'all should copy the Report IDs for submitted crash reports (they start with bp-) to your support question in the Community Back up forum.

Notation: If you tin can't open Firefox because it crashes at startup fifty-fifty in Rubber Mode Troubleshoot Mode, apply these alternative instructions to locate Report IDs:

  1. Click the Windows Start push button and select Printing Windows Key + R on the keyboard. Type in "%APPDATA%\Mozilla\Firefox\Crash Reports\submitted" (including the quotation marks) and click OK. Click the Finder icon in the dock. On the carte bar, click the card, hold downwardly the option or alt central and select . A window will open up containing your Library folder. Then open the "Application Support" folder, the "Firefox" folder, the "Crash Reports" binder and finally the "submitted" folder. Become to ~/.mozilla/firefox/Crash Reports/submitted.
  2. In the resulting folder, in that location will be a text file for each crash written report you have submitted. Using the menu, arrange them past engagement to find out which is the newest file; and double-click on information technology to open it.
  1. Click this link to ask for help with your crash.

    Notation: This link is only valid for getting help with Firefox crashes. To go help with other problems, see Get community support.

    • You lot may need to create an account or log in to your existing account during the "ask a question" process.
  2. Fill out the Details department of the next page with every bit much information you lot take nearly the crash. Include any of the steps y'all completed to a higher place, like updating Firefox or testing for the crash in safe manner Troubleshoot Mode.
  3. Copy the long Written report ID number you've got above for the latest crashes (bp-…) and paste it into the "Details" department.
  4. Finally, click the Post Question push.

    Nosotros know that providing all this information is time consuming but it will brand information technology much easier for our volunteers to help you.

These fine people helped write this commodity:

AliceWyman, Chris Ilias, novica, Tonnes, Michele Rodaro, mattlem, Michael Verdi, Bocko, scoobidiver, Andrew, John99, Ibai, Swarnava Sengupta, soucet, FredMcD, pollti, scootergrisen, Joni, Chris Peterson, Fabi

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