Firefox checks for new versions of your installed add-ons once per day, and at other designated times, such as when upgrading to a new version of Firefox. By default, Firefox will check the Mozilla Add-ons Gallery for updates, but individual add-on developers may set their add-ons to check their own websites for updates if they are not hosted with Mozilla.
Each of these checks contains the same information that every web request does: your IP address, browser version, operating system, locale, etc. Mozilla uses this information in aggregate for statistics and usage information, as described in the Mozilla Firefox Privacy Policy.
It is strongly recommended that you do not turn off add-on update checking, as you may miss critical security updates to your installed add-ons. If you only wish to prevent add-on updates from being automatically installed, you may turn that functionality off from within the Add-ons Manager.
To turn add-on updates off entirely, follow these instructions:
- In Firefox’s location bar, type
about:config
- A warning may be displayed if this is your first time modifying Firefox config. If you wish to continue, click the button.
- In the Filter text box, type
extensions.update.enabled
. - Double click the
extensions.update.enabled
item to turn it fromtrue
tofalse
Firefox will no longer check your add-ons for updates.
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