I don’t like Firefox constantly updating the version or the Add-ons all by itself at startup without my knowledge. You can enable or disable automatic updates in Firefox with these steps.
From Firefox Menus
- Select the “Menu” button in the upper-right corner, then choose “Options“.
- Select “General” on the left pane.
- Scroll down to the “Firefox Updates” section.
- Select one of the following options as desired:
- Automatically install updates
- Check for updates, but let me choose whether to install them
- Never check for updates
- Check or uncheck the “Use a background service to install updates” option as desired.
From about:config Menu
- Type “about:config” in the address bar, then press “Enter“.
- Search for the “app.update.auto” setting.
- Double-click the “app.update.auto” option to toggle the setting. If set to “true“, automatic updates are enabled. If set to “false“, automatic updates are disabled.
Via prefs.js file
- Close Firefox.
- Navigate to the following location based on your operating system.
- Windows XP/Vista/7/8/10 – “%APPDATA%\Mozilla\Firefox“
- Unix/Linux – “~/.mozilla/“
- Mac OS X – “~/Library/Mozilla/” or “~/Library/Application Support/“
- Open the “Profiles” folder.
- Open the folder that represents the profile you would like to edit. The name of the folder will vary. It is usually a bunch of characters, followed by “.default”.
- Open the prefs.js file with a text editor like Notepad.
- Look for a line that contains
app.update.enabled. If it doesn’t exist, add a line for it in the file and set it as desired using these examples:
user_pref("app.update.enabled", true);= Automatic updates enabled
user_pref("app.update.enabled", false);= Automatic updates disabled