Firefox does not open on a new Mac OS - profile cannot be found

I got a new Mac and have not been able to open FF. I just got this message: "unable to load your firefox profile. It may be missing or inaccessible.

I followed all the advice available. I have no profile manager. I have no folder in my library, utilities, Applications or users with a profile.ini I can't find folders or documents anywhere with Firefox or Mozilla other than the app itself... which does not open.

I deleted Firefox to my computer entirely, reinstalled, rebooted the computer - everything. I always get this message.

Would appreciate some advice.

It is clear that there is a problem with the permissions, then you will need to check and possibly fix corrupted files permissions to the location where the main Firefox profile folder and where are stored the file cache.

  • < User > /users//Library/Application Support / Firefox/Profiles/< profile >.
  • /Users/ < user >/Library/Caches / Firefox/Profiles/< profile > / Cache

Tags: Firefox

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