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  1. #1
    Why does Lion crash every time I try to use Firefox?

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    Why does Lion crash every time I try to use Firefox?
    I have upgraded to Lion OS X and the Firefox 6 but overtime I try to launch FireFox it crashes the whole system; it hangs and I am not able to use anything on the Mac. I have tried to revert to older versions of Firefox but the problem persists. Any ideas

  2. #2
    Why does Lion crash every time I try to use Firefox?

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    Quote Originally Posted by Sprogmeister View Post
    I have upgraded to Lion OS X and the Firefox 6 but overtime I try to launch FireFox it crashes the whole system; it hangs and I am not able to use anything on the Mac. I have tried to revert to older versions of Firefox but the problem persists. Any ideas
    try safari or chrome see how it works.

  3. #3
    Why does Lion crash every time I try to use Firefox?

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    They work fine, but there is a lot I need to get of Firefox. I just wish I knew what to do to get it to work!

  4. #4
    Why does Lion crash every time I try to use Firefox?

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    as far as I know my firefox 6.0 with lion upgrade, no problem.

  5. #5
    Why does Lion crash every time I try to use Firefox?
    osxx's Avatar
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    Firefox 6.0b4 is a beta and so it is a work in progress as is most betas.
    Big Safari fan myself but each there own.

  6. #6
    Why does Lion crash every time I try to use Firefox?
    vansmith's Avatar
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    Quote Originally Posted by osxx View Post
    Firefox 6.0b4 is a beta and so it is a work in progress as is most betas.
    Big Safari fan myself but each there own.
    You're a bit behind - FF6 is the most current stable version.

    There could be a variety of reasons for this. Try opening FF in safe mode (hold down option as you open it) and disable addons (at a minimum). Does it open then? If it does, disable all the addons, clear out the cache (Tools > Clear Recent History...) and try to restart it normally.
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  7. #7
    Why does Lion crash every time I try to use Firefox?

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    Tried to restart FF in safe mode. all looks good, menu on the top left menu bar but then it hangs agin with the circle appearing and whirring away. I am concerned I am missing something here

  8. #8
    Why does Lion crash every time I try to use Firefox?
    osxx's Avatar
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    Quote Originally Posted by vansmith View Post
    You're a bit behind - FF6 is the most current stable version.

    There could be a variety of reasons for this. Try opening FF in safe mode (hold down option as you open it) and disable addons (at a minimum). Does it open then? If it does, disable all the addons, clear out the cache (Tools > Clear Recent History...) and try to restart it normally.
    I stand corrected I see they are at 7.0b2 currently and as you say 6.0 is the stable version.

  9. #9
    Why does Lion crash every time I try to use Firefox?
    vansmith's Avatar
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    Quote Originally Posted by osxx View Post
    I stand corrected I see they are at 7.0b2 currently and as you say 6.0 is the stable version.
    Yeah, Mozilla's new "accelerated" schedule is throwing quite a few people off in terms of version number. It's worse in the Chrome community where you have 4 sections in the version number. For instance, I'm running Chrome Canary 15.0.866.0.
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  10. #10
    Why does Lion crash every time I try to use Firefox?
    harryb2448's Avatar
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    What actually is it you need from Firefox? Bookmarks etc will import to Safari no problem. I too was a FF user but find the Lion Safari, 5.1, faster and rock steady.
    Hang on to those original install discs like grim death! Using OS X.7 or later make a bootable USB thumb drive before running Installer!

  11. #11
    Why does Lion crash every time I try to use Firefox?
    vansmith's Avatar
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    Quote Originally Posted by Sprogmeister View Post
    Tried to restart FF in safe mode. all looks good, menu on the top left menu bar but then it hangs agin with the circle appearing and whirring away. I am concerned I am missing something here
    The problem could be related to your profile. Check out this page to see how to create a new FF profile. Launch FF with that profile. If it works, we know it's your current profile that's causing problems.
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  12. #12
    Why does Lion crash every time I try to use Firefox?
    PatM's Avatar
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    Safari is a much better browser in Lion. I made the switch from FF and have really been satisfied. It was a good move.
    And Roboform works well which is really a necessity. I've been a long time Roboform user.
    15 " 2013 MBP OS X Ver. 10.9.1 16 GB Memory, 500 GB SSD, Retina, 2.3 Ghz I7, 30GB IPhone 5, 2012 Mini Cooper JCW Coupe, 2014 Toyota Corolla, 2007 Trailblazer, 2 RC Planes, 1 fantastic wife who puts up with my toys. Still Married After 30 Years.

  13. #13
    Why does Lion crash every time I try to use Firefox?
    dtravis7's Avatar
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    I wish I could help you but here on both my Macs with Lion, firefox has worked from day one. Running the latest Stable version also here.

    I wonder if when you upgraded to Lion, a preference file got corrupted for Firefox? Try making a new User in Lion and log into that account and run Firefox. Does it still crash?

  14. #14
    Why does Lion crash every time I try to use Firefox?

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    You are all most excellent. The new profile worked, but do I have a way of importing passwords, bookmarks etc from the old one? Sorry for my lack of knowledge and thanks again.

  15. #15
    Why does Lion crash every time I try to use Firefox?
    vansmith's Avatar
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    Glad to hear that the new profile worked out for you!

    Take a look at this - it outlines how to migrate data from an old profile. Be careful though since something in your old profile is corrupt which was causing the problems. If you migrate something over and FF goes all wonky again, you'll know what the problem was.
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