When I open firefox amazon appears in the search bar that I can't remove

whenever I open firefox amazon appears in the search window and I can't remove it.
Why this happened I don't know, but this means ICAN can't use firefiox as my search engine

Note that your list of details of the system shows that you have a user.js file in the profile folder to initialize prefs each time you start Firefox.

The user.js file is present than if you or another software has created this file and normally it wouldn't be here.
You can check its contents with a text editor (right click: open with) If you do not create this file yourself.

The user.js file is read whenever Firefox is started and initializes the preferences to the specified value in this file, so the preferences set via user.js can be changed temporarily for the current session.

Delete a possible user.js file and files numbered prefs-# .js and rename (or delete) the file prefs.js to reset all the prefs by default, including the prefs set via user.js and pref which is no longer supported in the current version of Firefox.

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

  • Help > troubleshooting information > profile directory: see file (Linux: open the directory;) Mac: View in the Finder)

See also:

Tags: Firefox

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