Sửa lỗi your firefox profile cannot be loaded năm 2024

I had downloaded a game and when it was complete I tried to open it in order to play it. After opening it, my laptop just hanged for along time on which I got impatient and decided to restart it. since then I cannot use Mozilla firefox as it doesn't open but only displays this text "Your Firefox profile cannot be loaded. It may be missing or inaccessible." but since that time on my desktop there was a folder that appeared by the name "old firefox data" please help

I had downloaded a game and when it was complete I tried to open it in order to play it. After opening it, my laptop just hanged for along time on which I got impatient and decided to restart it. since then I cannot use Mozilla firefox as it doesn't open but only displays this text "Your Firefox profile cannot be loaded. It may be missing or inaccessible." but since that time on my desktop there was a folder that appeared by the name "old firefox data" please help

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Tất cả các câu trả lời (2)

hi evance, please press the windows-key+r and open: %appdata%

in there you should find a folder named "Mozilla". try renaming it to something like "Mozilla.bak" (or delete it if you don't care for your old firefox bookmarks, passwords and customisations) and then try to start firefox again....

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You need to locate the profiles.ini file and delete this file or use the Profile Manager to create a new profile.

See:

  • https://support.mozilla.org/kb/how-run-firefox-when-profile-missing-inaccessible

This issue can be caused by a problem with the profiles.ini file or with the permissions (owner) of involved folders.

You can use one of these to make Firefox create a new default profile or recover an existing profile:

  • Delete the profiles.ini file to make Firefox create a new (default) profile
  • Use the Profile Manager to create a new profile If you still have an existing profile then click "Choose Folder" in the Profile Manager and browse to the location of a lost profile to recover this profile https://support.mozilla.org/kb/Managing+profiles

You should find the profiles.ini file in this hidden location:

  • Windows: %AppData%\Mozilla\Firefox\ *C:\Users\<user>\AppData\Roaming\Mozilla\Firefox\
  • Mac: ~/Library/Application Support/Firefox/
  • Linux: ~/.mozilla/firefox/

If clearing the profiles.ini file isn't working then also check the location of the cache files.

  • Windows: *C:\Users\<user>\AppData\Local\Mozilla\Firefox\Profiles\<profile>\
  • Mac: ~/Library/Caches/Firefox/Profiles/
  • Linux:~/.cache/mozilla/firefox/

You can also try to rename/delete the MozillaFirefox folder in both above mentioned locations (main, cache).

While you open Firefox, a prompt pop-up reminds you of "Your Firefox profile cannot be loaded. It may be missing or inaccessible", What would you do next? In this article, we will walk you through how to run it into normal in the following manners.

Tutorial to Fix Firefox Profile Missing Error

What is Mozilla Firefox profile?

In Mozilla Firefox, all of your personal information includes your bookmarks, history, passwords, toolbar settings, are saved in a file named profile. By default, the Firefox profile is separated from installation program. Whether you uninstall Firefox or virus aggressive Firefox browser, your private information will stay on your computer safely. Each time you launch Firefox, it always read the content of profile first.

Why can Firefox not load profile?

According to the error of the profile cannot be loaded, here are three reasons in total:

  • Firefox profile has been deleted
  • Firefox profile has been transferred
  • Firefox profile has been renamed

We provided different solution below according to different situation. Let's move on to learn the detail.

How to repair if the Firefox profile has been deleted

Way 1: Fix Firefox profile by creating a new profile

Step 1: Click Windows + R combination on the keyboard to open the Run window. Input "firefox.exe -P" and hit Enter.

Note: You can use "-P", "-p" or "-ProfileManager" in the command.

Sửa lỗi your firefox profile cannot be loaded năm 2024

Step 2: Click on Create Profile, set a name you like and click on Start Firefox.

Sửa lỗi your firefox profile cannot be loaded năm 2024

Note: You have to close the Firefox browser before opening Run dialog box.

Way 2: Repair the error by deleting profiles.ini file

If you can''t open Firefox Profile Manager in the way above, you can use this method to work it out.

Step 1: Click on Windows Start menu, input "%appdata%" in the Search box and Enter. You will be located in the directory of "C:\Users\(username)\AppData\Roaming".

Step 2: Navigate to MozillaFirefox folder, right-click on profiles file and Delete. Firefox will create a new file with the same name when you open it.

Tips: You can rename the profiles file instead of deleting it.

Sửa lỗi your firefox profile cannot be loaded năm 2024

How to solve if the Firefox profiles have been transferred or renamed

If you know where the profile location is, move on to solve the issue easily.

1. Located the profile, move it back to the default directory: C:\Users\(Username)\AppData\Roaming\Mozilla\Firefox

2. Change its name back if you did.

Tips: You can refer to the Way 1 above to create a new profile for Firefox by using the Profile Manager.