Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

I need to know how to delete a user.js file. Your profile folder contains a user.js file, which includes preferences that were not created by Firefox.

more options

I need to know how to delete a user.js file. I looked in my profile folder and have no idea what to look for. I also looked in the troubleshooting information and found this "Your profile folder contains a user.js file, which includes preferences that were not created by Firefox." please help me find this folder. I have windows 10

I need to know how to delete a user.js file. I looked in my profile folder and have no idea what to look for. I also looked in the troubleshooting information and found this "Your profile folder contains a user.js file, which includes preferences that were not created by Firefox." please help me find this folder. I have windows 10

Chosen solution

Open your Profile folder and then close Firefox. Right-click that user.js file and select Delete.

Read this answer in context 👍 1

All Replies (2)

more options

You can use this button to go to the current Firefox profile folder:

Windows hides some file extensions by default. Among them .html and .ini and .js and .txt and you may only see a file name without file extension. You can check the file extension (type) in the properties of the file in Windows Explorer via the right-click context menu.

See also:

more options

Seçilmiş Həll

Open your Profile folder and then close Firefox. Right-click that user.js file and select Delete.