Help! My Firefox keeps on crashing on Mac everytime I use it.

It is so annoying to close and reopen this browser every single time. How do I fix firefox keeps crashing issue?

manOf course! Read this new post in detailed, you will find the easiest ways to fix firefox keeps crashing on Mac.

How to Fix Firefox Crash Mac?

Users of Mozilla Firefox browser are confused when opening it but it closes or quits. So how to fix this Firefox crash Mac issue? Try these ways below:

  1. Update Firefox Browser
  2. Update Your Mac OS
  3. Update Plugins
  4. Update the Security Software
  5. Use Safe Mode
  6. Clean Install Firefox
  7. Check Hardware
  8. Report Crash Error

Article GuidePart 1. Why Do Firefox Browser Crash?Part 2. How to Fix Firefox Keeps Crashing - Manual MethodPart 3. Firefox Not Working on Mac? Use a One-Click Browser Cleanup SolutionPart 4. Conclusion

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Part 1. Why Do Firefox Browser Crash?

We all experience crashing browsers at some point in our lives and it is fine. However, if the crashing happens most of the time, well this is a big problem already.

There are recent reports that the Mozilla Firefox browser is experiencing frequent crashing issues and users can no longer stand it.

This is a terrible user experience. However, there are also possible solutions on how to fix firefox crashing issues.

A Crash is an unexpected quitting or closing of a browser in the middle of any activity. Once a browser crashes, you can see a pop-up crash report box to let the developers know of what happened.

why firefox keeps crashing

Part 2. How to Fix Firefox Keeps Crashing - Manual Method

When your Firefox web browsers keep crashing, don't panic! We will help you get over this issue and fix in no time.

Here are some steps recommended by Mozilla in order to fix firefox keeps crashing problems.

2.1 Update Firefox Browser

The crashing problem can also be caused by bugs on the current version that you are using. To fix this issue, try to check if there is an available update for your Firefox browser.

Click the menu button

Click Help

Scroll down to About Firefox

Let Firefox check and scan for updates

Click Restart to Update Firefox

The Firefox browser will restart in a while and it will load up using the updated version without the crashing anymore.

update Firefox Browser

Note: Make sure you only download the latest firefox version from the official site to avoid malware infections.

2.2 Update your Mac OS

Your computer's operating system can also cause crashing on some web browsers. Follow these steps on how to update your computer's operating system.

Go to AppStore

Click on Updates

Find Software Updates

Find Mac OS

Click Update and wait until Mac restarts

2.3 Update Plugins

If you have already updated both the Firefox browser and the computer's OS and the firefox keeps crashing still, check maybe your plugins needed some upgrade in order to get rid of the issue.

Check your installed plugin's website for their latest update and install it on your browser.

2.4 Update Security Software

You internet security protection software can also interrupt your web browsing activity at random times and this can be so frustrating.

This might be a sign that your anti-virus software needs an update. To fix this, simply go your anti-virus' settings and check for the latest updates and follow the steps on how to install it.

Using Firefox on Safe mode

2.5 Use Safe Mode

To further determine if the problem is more than just crashing, try using Firefox on Safe mode and check whether it is still crashing or not.

Go to the menu and click Help

Click Restart with Add-ons Disabled

Short key:

Click SHIFT upon starting the Firefox browser to enter Safe mode

Clean Install Firefox

2.6 Clean Install Firefox

If using the Safe mode does not fix firefox keeps crashing issue then why not try a clean install and check if it is still happening? Don't worry about your bookmarks, and other personal downloads, these files are stored and saved on a separate folder.

Uninstall Firefox

Delete Firefox installation folders : (C:\Program Files\Mozilla Firefox and C:\Program Files (x86)\Mozilla Firefox)

Download a new Firefox browser

Follow the installation process

Once you have installed a fresh and clean browser, test to see if the crashing still occurs.

Report Crash Error

2.7 Report Crash Error

To better get a real fix on the crashing issue, you can report it straight to the developers. All you need is to note down the crash ID. Follow these steps on how to report crash incidents.

Go to the Firefox location bar and enter about: crashes

Find Report ID and look for the latest crash and open it in a new tab (it will lead to

A message will appear "Your report is being processed"

Wait until the process is finished.

2.8 Check Hardware

Although least among the suspects, your hardware can also interrupt the way the browsers act.

If the RAM is out of space, it might cause certain crashing on any applications, software, and services that you are using on the device.

You can use the Memtest86+ tool to diagnose your RAM.

Part 3. Firefox Not Working on Mac? Use a One-Click Browser Cleanup Solution

Now when all else fails, and you feel like you have done everything thing you could, we recommend to rely on a better solution like cleaners to fix firefox keeps crashing problem.

Browser Cleanup by iMyMac-Cleaner is a safe and effective software that automatically scans and detects any Junk Files, diagnoses Mac status, cleans browsers, and many more.

To better fix firefox not working on Mac problem, use Privacy by iMyMac-Cleaner to resolve it as soon as possible.

  1. Download and Launch iMyMac-Cleaner.
  2. Choose Privacy Option and Start Scan.
  3. Preview and Select Desired Browser Data to Clean.
  4. Wait for Browser Cleaning Finished.

Step 1: Download and Launch iMyMac-Cleaner

Download iMyMac-Cleaner on your computer and launch the program.

Free Download

Launch Mac Cleaner

Step2: Choose Privacy Option and Start Scan

Launch the program and find Privacy on the left side tools. Then click Scan.

scan browser

Step3: Preview and Select Desired Browser Data to Clean

Preview and delete browser caches, histories, cookies, and other necessary files that can cause crashing.

select browser data to clean

Step 4: Wait for Browser Cleaning Finished

Click Clean and wait until all the process is completed

clean browser data

So easy, isn't it? It could help to solve problems like FireFox's breakdown, Mac running slow or looking for duplicate photos. Next time that you are experiencing browser crashing on you, use Privacy for the fast and efficient result. no confusing methods, and reckless efforts.

Part 4. Conclusion

There you have it, you have just learned how to fix firefox keeps crashing issue both manually and automatically.

You will no longer get frustrated while surfing online. Have you already tried Privacy by iMyMac-Cleaner?