Your Firefox profile cannot be loaded. It may be missing or inaccessible – Fix

Tuesday, 27th May 2014

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When I opened firefox I was offered that firefox cleans some data. Pressing on it took a long so I killed firefox process from Windows taskmanager (taskmgr).  . Next time Firefox was started I got the error (warning):
 

Your Firefox profile cannot be loaded. It may be missing or inaccessible"

Firefox version is 29.0.1.

Once the dialog, Firefox fails to further open. To fix Your Firefox profile cannot be loaded. It may be missing or inaccessible press windows-key+R to invoke <Open program prompt and type in:

%appdata%Mozilla

In explorer Window that will pop=up rename the folder labelled "Firefox" to something like old-Firefox.
On next start of firefox, you will be offered to recrate "the missiong profile and it will force Firefox to re-create profile.

If you want to import some of your old data into the new profile afterwards: Recovering important data from an old profile check Recovering important data from an old profile Another approach is to to go to Firefox profile folder and delete profiles.ini, this will also make firefox recreate the file on its next start. Enjoy ! 🙂

 

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6 Responses to “Your Firefox profile cannot be loaded. It may be missing or inaccessible – Fix”

  1. Masoudsays:
    Internet Explorer 9.0 Internet Explorer 9.0 Windows 7 Windows 7
    Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0)

    thank you so much

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  2. shahzadsays:
    Google Chrome 40.0.2214.111 Google Chrome 40.0.2214.111 Windows XP Windows XP
    Mozilla/5.0 (Windows NT 5.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/40.0.2214.111 Safari/537.36

    Your Firefox profile cannot be loaded. It may be missing or inaccessible.

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  3. johnsays:
    Internet Explorer 8.0 Internet Explorer 8.0 Windows 7 Windows 7
    Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; InfoPath.3)

    Muchas gracias!

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  4. neeleshsays:
    Google Chrome 44.0.2403.155 Google Chrome 44.0.2403.155 Windows 7 x64 Edition Windows 7 x64 Edition
    Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/44.0.2403.155 Safari/537.36

    even after deleting mozilla folder, from appdata still getting the same error;

    i m getting this error at the time of installation itself..please help

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    • adminsays:
      Safari 5.1.7 Safari 5.1.7 Windows 7 x64 Edition Windows 7 x64 Edition
      Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/534.57.2 (KHTML, like Gecko) Version/5.1.7 Safari/534.57.2

      Maybe after deleting folder you still had something left from firefox in memory. Try to restart this proces or restart PC and see whether this helps.

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  5. eagleeyesays:
    Internet Explorer 8.0 Internet Explorer 8.0 Windows 7 Windows 7
    Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; InfoPath.3; .NET4.0C)

    thanks a lot 😀

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