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I have downloaded firefox but it will not launch why?

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I had Firefox and it crashed. It would never launch again. I then removed it from my laptop and restarted. I then downloaded it again. Same results. What is going on? Today I downloaded again and it launched but now when I open my computer again, it will not launch.

I had Firefox and it crashed. It would never launch again. I then removed it from my laptop and restarted. I then downloaded it again. Same results. What is going on? Today I downloaded again and it launched but now when I open my computer again, it will not launch.

Chosen solution

I'm not sure if it came up while you were posting your question, but there are several troubleshooting suggestions in this article: Firefox won't start - find solutions.


Could you try starting Firefox in its Safe Mode? That's a standard diagnostic tool to deactivate extensions and some advanced features of Firefox. More info: Diagnose Firefox issues using Troubleshoot Mode.

Hold down the Shift key when starting Firefox. A small dialog should appear. Click "Start in Safe Mode" (not Reset).

Will Firefox start up?


Sometimes a strict "program control" firewall or malware will stop Firefox from running. You can investigate these possibilities further using the steps/tools in these articles:

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Chosen Solution

I'm not sure if it came up while you were posting your question, but there are several troubleshooting suggestions in this article: Firefox won't start - find solutions.


Could you try starting Firefox in its Safe Mode? That's a standard diagnostic tool to deactivate extensions and some advanced features of Firefox. More info: Diagnose Firefox issues using Troubleshoot Mode.

Hold down the Shift key when starting Firefox. A small dialog should appear. Click "Start in Safe Mode" (not Reset).

Will Firefox start up?


Sometimes a strict "program control" firewall or malware will stop Firefox from running. You can investigate these possibilities further using the steps/tools in these articles: