Solved: Your Firefox Profile Cannot be Loaded on Windows 10

 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. Fix Firefox Error

How to repair if the Firefox profile has been deleted

  • Way 1: Fix Firefox profile by creating a new profile
  • Way 2: Repair the error by deleting profiles.ini file

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.


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


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.



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.                       


                        Call 1-856-514-8666 for help and support of Fix Firefox Error.



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