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I tried to create a default Windows profile with pre-configured app settings, including FF. I created a temporary user, logged in, installed FF and configured it, also installed some add-ons (first of all, ublock origin). Then I logged out, logged as an administrator and moved the temporary user profile to the default profile location (c:\Users\Temp -> c:\Users\Default), and then reset its NTFS permissions. This almost always works for all applications, including Google Chrome. I created a new user and logged in, opened FF. The settings were applied, but the extensions did NOT work, and even the buttons on the toolbar looked like empty squares. At the same time, the add-ons were present in the list of add-ons in settings, although without icons. It helped to turn off and turn on all the add-ons one by one, manually.

After some research, I realized that FF binds its settings to absolute paths to add-on files (*.xpi), specifically in the $profile/extensions.json and $profile/addonStartup.json.lz4 files. Google Chrome, for example, doesn't do anything simular, like the vast majority of applications. Removing these files from the profile will cause all add-ons to be "reinstalled" on first launch and set to a disabled status.

An easier way to reproduce the problem: 1. Run firefox -profile d:\temp\profile1 2. Install some extensions. 3. Rename profile1 folder to profile2. 4. Run firefox -profile d:\temp\profile2 5. Got it!

For what purposes does firefox bind to absolute add-on paths, and how can this problem be solved? P.S. I know about portable firefox from PortableApps.com, but I don't want to use a third-party loader for my tasks.

I've just downloaded the NASA'S EYES app to my Win11 system. My default browser is Firefox, with NoScript, ABP and Ghostery installed (yeah, that's probably overkill). When I attempt to launch the NASA app, it wakes up just enough to look for updates, shows me a startup panel, then that panel disappears. I gather there's supposed to be some sort of behind-the scenes linkage that's not working. How can I fix that? Do I need to shut down the add-ins?

https//www.modelprices.com is a pricing database for models, trains cars etc. It does not require passwords. Yet Firefox in a recent update has now deemed it insecure and I cannot see how to fix this, despite clicking on the task bar padlock item and looking at the drop down items. This is most annoying. Can you please assist? Thank you.

When I use Tik Tok in this browser , it's too late . Can you help me how can I fix it . I need to use my Tik Tok accounts cuz it's my business . I hope you will understand me and help me . If you don't mind , plz check my firefox account . Plz hurry up ! Although I have Google chrome , I use this browser cuz it's more easy to use . Don't distrubit to me . If you have time , plz check your browser or my account and give me some advices how to fixt it. Have a nice day all my friends .

My phone was hacked and because I was signed into Firefox, I believe my saved passwords were accessed. I had opened a political text in messenger, nothing to click on, nor would I, closed the app and put down my phone. When I picked up my phone, messenger was opened with a text about to send with a password I've used, but no app name or website. I located which app it belonged to. I ran my virus protection, but phone was fine.

If there was a way to answer security questions, or send me an email or text to verify who I was before I could access saved passwords, that would be great. Could this be added to the web browser?

Hi! I need help with my firefox, because i started to have a problem yesterday. Everytime i try to go to sertain sites it crashes for no reason! Such as Georgia power, georgia natural gas, and etc....

Usually happens with youtube embed links, not sure if it happens with other(non-embed/other website) links, but it will ask me to open with app or in browser, and can't be cancelled with back button, only home button. when I press home button and reopen the app the embed will disappear in the page