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


One moment I was able to use Firefox just fine and the next, I'm getting a pop up message:

Title: Missing Profile: Message: Your Firefox profile cannot be loaded. it may be missing or inaccessible.

I cannot open firefox at all and I'm at a loss of what to do. I can't even troubleshoot firefox because firefox is trying to open but it can't.

What I believe happened was that firefox was in the middle of updating/trying to open in safe mode and somehow got interrupted. I have been looking around online trying to find a solution and so far I've been coming up short and any help would be appreciated!

I have Windows 7.


Modified by XxMuggleGirlxX

Additional System Details


  • User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; MASA; .NET4.0C; .NET4.0E; browseforchangetoolbar_browseforchange)

More Information

Amit Kumar Thakur 83 solutions 863 answers

Helpful Reply

Try to delete the profiles.ini file to force Firefox to create a new default profile.



Modified by Amit Kumar Thakur

Question owner

I'm going to assume I don't have one because I haven't been able to find it.

  • Top 25 Contributor
617 solutions 4263 answers

Helpful Reply

Hello, press Windows key+R to open the Run box, and then type:


then click OK to open the file, the profile.ini file is a plain-text file, after you delete the file (as amitshree correct said above) then see :

Recovering important data from an old profile

Transferring data to a new profile - Firefox

thank you

dangerxdavid 0 solutions 2 answers



^^^ right there my ninjas. Whoever posted this, it worked fast, easy, quick no worries.



  • Top 25 Contributor
  • Moderator
622 solutions 8020 answers

Note deleting profiles..ini forces Firefox to create a new profile.

The profile manager gives you better control over what happens. The profile manager actually works by modifying the profiles.ini file.

The profiles.ini file may be edited directly but I would strongly advise against that unless you know exactly what you are doing because you could break Firefox.