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Firefox crashes

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Hi Guys, Up to last night my Firefox was working fine. This morning it does not open at all. I have reinstalled it, tried safe mode, created new profiles and whatever step you can think of even removing my internet security completely but does not open at all. It just blinks momentarily and that's it.

Any idea as to how to make it run again??

Hi Guys, Up to last night my Firefox was working fine. This morning it does not open at all. I have reinstalled it, tried safe mode, created new profiles and whatever step you can think of even removing my internet security completely but does not open at all. It just blinks momentarily and that's it. Any idea as to how to make it run again??
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Additional System Details

Application

  • User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_6) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/11.1.2 Safari/605.1.15

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FredMcD
  • Top 10 Contributor
4228 solutions 59014 answers

What's your computer system and Firefox version?

Start your Computer in safe mode with network support. Then start Firefox. Try Secure websites. Is the problem still there?

http://encyclopedia2.thefreedictionary.com/Linux+Safe+Mode Starting Any Computer In Safe Mode; Free Online Encyclopedia

What's your computer system and Firefox version? Start your '''Computer''' in safe mode with network support. Then start Firefox. Try '''Secure''' websites. Is the problem still there? http://encyclopedia2.thefreedictionary.com/Linux+Safe+Mode Starting Any Computer In Safe Mode; Free Online Encyclopedia
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Question owner

Thank you for your reply my friend. I am running OSX 10.11.6 on a Macbook Pro and my Firefox was the latest version.

Thank you for your reply my friend. I am running OSX 10.11.6 on a Macbook Pro and my Firefox was the latest version.
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FredMcD
  • Top 10 Contributor
4228 solutions 59014 answers

FredMcD said

Start your Computer in safe mode with network support. Then start Firefox. Try Secure websites. Is the problem still there?

Are you using Mac beta?

I suspect you have the same problem as https://support.mozilla.org/en-US/questions/1265998

https://forums.developer.apple.com/thread/120810

https://www.reddit.com/r/firefox/comments/cl0s8i/firefox_crashing_on_catalina_everytime_it_starts/

''FredMcD [[#answer-1245210|said]]'' <blockquote> Start your '''Computer''' in safe mode with network support. Then start Firefox. Try '''Secure''' websites. Is the problem still there? </blockquote> ----------------------- Are you using Mac beta? I suspect you have the same problem as https://support.mozilla.org/en-US/questions/1265998 https://forums.developer.apple.com/thread/120810 https://www.reddit.com/r/firefox/comments/cl0s8i/firefox_crashing_on_catalina_everytime_it_starts/
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