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user.js is not getting copied to profiles even though it is available under browser/defaults/profile

  • 3 replies
  • 1 has this problem
  • 119 views
  • Last reply by cor-el

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Hi,

user.js is not getting copied to profile folder automatically. I have a file user.js in installed directory/browser/defaults/profile/user.js in version Mozilla Firefox 52.0.2

The same operation used to happen in Mozilla Firefox 45.5.1 without any problem

Chosen solution

I'm not sure if this way of initializing a profile is still supported. Maybe try to place the file in "browser/defaults/preferences" instead. Otherwise you need to use a autoconfig.cfg file to copy the file(s) yourself to the profile folder.

It is probably better to use the autoconfig.cfg or policies.json file to initialize prefs.

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directory/browser/defaults/profile/ strikes me as being in the wrong location, like in the Program Files = Firefox program /defaults/ folder rather than in the C:\Users\user\AppData\Roaming\Mozilla\Firefox\Profiles\profile-name folder.

The optional user.js file belongs in the Profile folder which is located under Roaming.

You can use Help > Troubleshooting Information within Firefox to get to the correct folder for the Profile being used -- at Profile Folder and then use the Open Folder button in the UI list in the left column.

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HI,

Thanks for the reply.

Here, am launching firefox not on Windows but on linux based machine. So normally in firefox..whatever files we keep under installed_directory/browser/defaults/profile directory will copy it to the newly created profile directory for example /.user_homedirectory/.mozilla/firefox/randomname_directory/ . But it is not happening now..If i copy the user.js manually to /.user_homedirectory/.mozilla/firefox/randomname_directory/ everything is working fine. But i want to automate that for every user. So where I need to keep user.js in order to automatically copy it newly created profile or opened sessions

TIA

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Chosen Solution

I'm not sure if this way of initializing a profile is still supported. Maybe try to place the file in "browser/defaults/preferences" instead. Otherwise you need to use a autoconfig.cfg file to copy the file(s) yourself to the profile folder.

It is probably better to use the autoconfig.cfg or policies.json file to initialize prefs.

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