Why mozilla crash

Search Support Search. Home Firefox Fix problems Troubleshoot Firefox crashes Before getting started: If the page stops working because part of the page has crashed or stopped responding, try reloading the page to see if that fixes the problem. Table of Contents 1 Update your software 1. Update Windows Make sure you have 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 Make sure you have all of the latest security and stability fixes.

Check for viruses or spyware A number of different viruses and spyware are known to crash Firefox. Check for third-party modules Third-party applications such as antivirus software, archiving software, and other tools may load modules into Firefox.

Check to see if the crash happens in Safe Mode 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 Mode or not and then follow the instructions in the recommended articles.

Note: You can also start Firefox in Troubleshoot Mode by holding down the shift key while starting Firefox. Note: The Refresh Firefox feature can fix many issues by restoring Firefox to its default state while saving your essential information.

Consider using it before going through a lengthy troubleshooting process. Check to see if the crash happens in Troubleshoot Mode If updating software didn't work or if Firefox crashes on startup, use the steps below to test whether the crash happens in Firefox Troubleshoot Mode or not and then follow the instructions in the recommended articles.

Click the Finder icon in the dock. On the menu bar, click the Go menu, hold down the option or alt key and select Library. A window will open containing your Library folder. Then open the "Application Support" folder, the "Firefox" folder, the "Crash Reports" folder and finally the "submitted" folder. The cache of the websites on your system is helpful to reduce the loading time. But a mismatch in cache computing can cause cache miss and give rise to many problems. Besides, if the cache is corrupted, Firefox keeps crashing in Windows Step 2: Set the range to Everything and choose all the checkboxes.

Then, click Clear Now. Step 3: Open the folder ending with. Some programs are known to cause crashes in Firefox. Besides, some viruses or malware can also lead to crashed Firefox. In this case, you should do two things. Malwarebytes vs Avast, which one is better for you?

This post shows some differences between Avast and Malwarebytes. Firefox keeps crashing in Windows 10? Now after reading this post, you clearly know some solutions and you should try these methods above to get rid of the crashing problem. Hope this post is helpful for you. Answer questions and improve our knowledge base. Search Support Search. Home Firefox Fix slowness, crashing, Firefox keeps crashing at startup. Other problems with crashing: If Firefox starts without crashing but then crashes later on, see the Troubleshoot Firefox crashes closing or quitting unexpectedly 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. Try a clean install If crashes are preventing you from starting Firefox, even in Firefox Safe Mode, a clean install will often fix the problem.

Will I lose my bookmarks, passwords and add-ons? A clean install will not delete your bookmarks, saved passwords, add-ons or other personal information.

This information is stored separately in your profile folder. Try a clean install If crashes are preventing you from starting Firefox, even in Firefox Troubleshoot Mode, a clean install will often fix the problem. Uninstall Firefox from your computer. Double-click on the downloaded file and follow the prompts to continue the installation process.