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Fresh Install Firefox 76.0.dmg results in "Profile Missing" Error and does not boot. OS10.11.6

MacbookPro OS 10.11.6 About a week ago Firefox was running no problem. Closed Firefox (quit) Re-opened and got the Profile missing error. troubleshoot through exis… (read more)

MacbookPro OS 10.11.6

  1. About a week ago Firefox was running no problem.
  2. Closed Firefox (quit)
  3. Re-opened and got the Profile missing error.
  4. troubleshoot through existing threads on mozilla support. including renaming the profile.ini file, deleting it, moving it, etc.
  5. Used Appcleaner to wipe all known goodies of Firefox from my computer
  6. downloaded a fresh 76.0.dmg from the website
  7. Problem persists. Application does not load, "Profile missing" opens immediately
  8. No application support data in /Library/ application support/firefox exists

Chrome works and Safari works no problem.

Asked by HawkEye 1 year ago

Answered by AMAN ARYAN 1 year ago

  • Solved

Firefox wont open suddenly, profile missing or unaccessable

Hi there, I'm having trouble opening firefox that suddenly didn't open after I've used it as usual. When I've closed it, I've put the macbook on sleep mode and then reope… (read more)

Hi there, I'm having trouble opening firefox that suddenly didn't open after I've used it as usual. When I've closed it, I've put the macbook on sleep mode and then reopen it after 10 minutes and tried to open firefox as always. It didn't. I'm trying to figure it out and I've followed all the possible paths on Mozzilla's support and others blogs, but none of them worked out. I've tried also to uninstall and re install firefox from scratch, but nothing happens: I still get the message. At this point I don't care if I need a fresh start, I have a bookmark's backups so, how can I really uninstall Firefox and install it from the beginning? Is there a hidden folder I'm missing? Thank you in advance

MacBookPro8,2 - macOS 10.11.6 El capitan

Asked by patrizio.borghi 5 months ago

Answered by patrizio.borghi 5 months ago

  • Solved

Earlier versions available?

I need to have Firefox on my old Macbook pro, but its OS (10.11.6) will no longer update, and a new Firefox download won't take. Can I download an earlier compatible vers… (read more)

I need to have Firefox on my old Macbook pro, but its OS (10.11.6) will no longer update, and a new Firefox download won't take. Can I download an earlier compatible version?

Asked by pjtaylor2001 3 months ago

Answered by FredMcD 3 months ago