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Can't get Firefox to open. Get an error message stating profile is missing or has been deleted. Please help.

I have an iMac. Operating system is High Sierra 10.13.6. Firefox was running slowly today and a pop up window came up on the bottom of my screen and gave me the option of… (read more)

I have an iMac. Operating system is High Sierra 10.13.6. Firefox was running slowly today and a pop up window came up on the bottom of my screen and gave me the option of "refreshing" Firefox. I hit the refresh button, and it was taking FOREVER to refresh Firefox, so I clicked out of it (the little red button) mid-refresh. Ever since then, when I try to open Firefox, I get a message stating that Firefox cannot be opened because my profile is missing or deleted. Shortly after this happened, a folder appeared on my desktop titled "Old Firefox Data" which contains about 60 items. I did not create this folder. I have tried uninstalling and reinstalling Firefox. I have also tried starting my iMac in safe mode, then restarting in regular mode. Was on the phone with Apple Tech Support for over an hour and they were unable to help. They are aware of the "Old Firefox Data" folder but they didn't know what to do with it. I am not tech or computer savvy. Other people have posted this exact question before, and answers have been provided, however I don't understand the answers or the instructions that supposedly solve this problem. This is why I'm asking this question again. I am hoping someone can help and provide a simplified answer or simplified instructions to solve this problem. Thank you.

Asked by SunshinesMom 1 year ago

Answered by SunshinesMom 1 year ago

  • Archived

Latest update removed logins, bookmarks. "old firefox" not present

As above. FF installed the update despite the checked option to NOT install automatically. NO "old firefox" folder was created-anywhere. No other profile is present tha… (read more)

As above. FF installed the update despite the checked option to NOT install automatically. NO "old firefox" folder was created-anywhere. No other profile is present that has the old data. My adult daughter's grad school laptop. Years of bookmarks, logins and I do not know what all ARE GONE!! I allowed FF to download but NOT INSTALL-since it was not my machine and I wanted to avert any disaster (I, in fact, looked at the options first, to make sure) NOW WHAT?? Is that is a bug?? Why was there no "old FF" created? Why did it install regardless of instructions to the contrary. Is there some other place to look? She does not seem to have any automatic backups for FF profiles.

Asked by patty_r 1 year ago

Last reply by jscher2000 9 months ago

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Hard reboot caused profile loss

I had to hard-reboot my Windows machine, and when I launched Firefox (Developer Edition) upon after boot, my profile was lost. I had to set up Firefox Sync again, browse… (read more)

I had to hard-reboot my Windows machine, and when I launched Firefox (Developer Edition) upon after boot, my profile was lost. I had to set up Firefox Sync again, browser toolbar settings were reset, extensions were present but all their data was wiped, my session was lost (except oddly for pinned tabs). Windows didn't show any chkdisk activity during boot (looked like a clean boot). I wasn't prompted to create a new profile, so it appears the profile directory still existed. I don't understand what happened, or how I can even diagnose the issue.

Asked by keeganwitt 1 year ago

Last reply by cor-el 1 year ago

  • Solved

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 2 months ago

Answered by AMAN ARYAN 1 month ago

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  • Archived

Firefox can't find profile folder and I tried all fixes found so far.

I have deleted firefox and renamed the profile folder and init folder then reloaded firefox. Get the same error message can find profile folder. I have done this several … (read more)

I have deleted firefox and renamed the profile folder and init folder then reloaded firefox. Get the same error message can find profile folder. I have done this several times. Help - I love firefox and this is the first issue. I have downloaded the latest update just before things went south. RN

Asked by rnewland 1 year ago

Answered by cor-el 1 year ago

  • Archived

Firefox will not load

I've been using Firefox a long time. Never any problem until immediately after the last automatic update procedure today. Now the application will not load. Instead, I o… (read more)

I've been using Firefox a long time. Never any problem until immediately after the last automatic update procedure today. Now the application will not load. Instead, I only get an error message "Profile Missing..." (see attached screen shot) I tried downloading the latest version from Mozilla and re-installing. It did not resolve the issue. I still got the same error message.

Computer info: Apple Mac Pro 2009 running OS 10.11.6 El Capitan.

Asked by Keyless 1 year ago

Last reply by FredMcD 1 year ago

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Install fail. Says it can not find profile?

during a firefox refresh the process failed and firefox no longer worked. I did an uninstall so I could do a fresh install. All attempts to install fresh fail saying "p… (read more)

during a firefox refresh the process failed and firefox no longer worked. I did an uninstall so I could do a fresh install. All attempts to install fresh fail saying "profile" could not be located. So now I have nothing. All my data is missing. I do have a copy of the profile folder, but after the uninstall was performed? contacts, bookmarks, passwords and such all missing ;-( Please help.

Asked by ibbolton 1 year ago

Last reply by cor-el 1 year ago

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  • Archived

Accidentally Deleted FF App. All settings & Years of Bookmarks Gone! Desperate to Get BM Back --;((

I accidentally deleted the Firefox app. Now, even when restoring from Trash, I get a "new" app. Settings and years of bookmarks are gone. HELP. Desperate. Detail: My … (read more)

I accidentally deleted the Firefox app. Now, even when restoring from Trash, I get a "new" app. Settings and years of bookmarks are gone. HELP. Desperate.

Detail: My extensions disappeard and, before I knew it was a Mozilla glitch, I tried deleteting and then reinstalling Firefox. I didn't think about it, but by deleting it, I also lost years worth of bookmarks. I tried restoring the file from Trash, but I only got a new "blank" version of Firefox. ALL my settings, bookmarks, etc. are gone. I'm desperate to get my bookmarks back. Please help!!!

MAC Latest update

Asked by rpfirefox 1 year ago

Answered by cor-el 1 year ago

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  • Archived

How to reactivate firefox without loosing favourites, not possible to open after refresh, profile can't be loaded while profile is available in profile map

Followig suggestion to clean up Firefox by Firefox, I did so, but now I can't open Firefox any more. Error message: Firefox profile can not be loaded. It may be missing … (read more)

Followig suggestion to clean up Firefox by Firefox, I did so, but now I can't open Firefox any more. Error message: Firefox profile can not be loaded. It may be missing or inaccessable Restarting Firefox does not help. I have checked the existance of the profile and it is available in the correct map on my PC. The profile file is new, of today. How can I reactivate Firefox, without loosing favourates? Can I reinstall previous profile? Thanks very much

Asked by HansTamminga 1 year ago

Answered by cor-el 1 year ago

  • Archived

Repeated 'running but is not responding' and 'profile missing' dialogue boxes despite following guidance to solve problem.

I’m experiencing a repeated problem with Firefox. It hangs after closing. The following happens: 1. ‘Close Firefox’ dialogue box opens, reading: ‘Firefox is already runni… (read more)

I’m experiencing a repeated problem with Firefox. It hangs after closing. The following happens:

1. ‘Close Firefox’ dialogue box opens, reading: ‘Firefox is already running, but is not responding. The old Firefox process must be closed to open a new window.’

I click ‘Close Firefox’. The the following happens:

2. ‘Profile Missing’ dialogue box opens, reading: ‘Your Firefox profile cannot be loaded. It may be missing or inaccessible’

The above process repeats, even if I create and use a new profile. I cannot close Firefox completely, in Task Manager. Always at least one Firefox remains open as a Background Process. When my laptop is shut down/restarted, Firefox will open once but pages load very slowly, if at all, even in a new profile. Once Firefox is closed (even using ‘Exit’, through the menu), the process repeats. It also takes many attempts to load Firefox Profile Manager.

I am using the most up-to-date Firefox on Windows 8.1.

Steps I have tried: Closing Firefox in Task Manager/Ending Firefox Processes. Restarting computer. Clearing cookies and cache. Restarting Firefox in Safe Mode. Uninstalling and reinstalling. Refreshing Firefox (keeping bookmarks, etc). Creating a new profile. Renaming profiles.ini folder (profilesOLD.ini). Scanned for malware (with Malware Bytes).

Threads that I’ve looked at on support.mozilla.org: Troubleshoot and diagnose Firefox problems Firefox hangs or is not responding - Firefox hangs when you quit it Refresh Firefox – reset add-ons and settings “Firefox is already running but is not responding” error message – How to fix it Support Forum - Task manager won’t close firefox already running but not responding Use the Profile Manager to create and remove Firefox Profiles How to run Firefox when your profile is missing or inaccessible

So far, nothing has resolved the issue, after hours spent trying. Please can someone offer a possible solution?

Thank you.

Asked by Firefox_User_01 1 year ago

Last reply by cor-el 1 year ago

  • Archived

How can I retrieve my Firefox data on my computer?

Firefox was updating itself on my computer ( not on this iPhone) and in the process all of it disappeared, bookmarks, data, etc. If I try to open it, message appears whi… (read more)

Firefox was updating itself on my computer ( not on this iPhone) and in the process all of it disappeared, bookmarks, data, etc. If I try to open it, message appears which says “Profile Missing: Your Firefox profile cannot be loaded. It may be missing or inaccessible”.

Asked by Chaniemasha 1 year ago

Last reply by FredMcD 1 year ago

  • Archived

Firefox wont open

I cannot install or open firefox because I get a message saying the profile is missing so I try to create a new profile and it says an unexpected error occurred. I reinst… (read more)

I cannot install or open firefox because I get a message saying the profile is missing so I try to create a new profile and it says an unexpected error occurred.

I reinstalled it a few times but no luck. I flushed my cache Tried developer edition

This application does not seem to work at all.

Asked by Fredjames 1 year ago

Last reply by FredMcD 1 year ago