Regardless of that, it shows that automatic updates can cause problems. Sometimes you may want to block add-ons from being updated automatically. Maybe because you know that a new version that is already out is causing issues on your system or adding unwanted features, or because you want to research each update before you install it.

The Firefox web browser has two options for users who want to customize the automatic add-on updating mechanism of the browser. The first option is to disable automatic add-on updates completely. This is done under Options > Advanced > Update. Here you need to remove the checkmark of the Add-ons listing under Automatically check for updates to.

For extra protection, make sure that Ask me what I want to do when updates to Firefox are found is enabled.

Sometimes you want to make sure that only some installed add-ons do not update automatically, or that some do if you have selected the do not check for automatic updates option mentioned earlier in this guide.

Open the Firefox add-on manager. You can do that by entering about:addons in the address bar. All installed add-ons are displayed under Extensions there. To configure automatic updates for a specific add-on do the following. Click on the More link next to the add-ons description.

Look for the Automatic Updates listing on the page. Default means that it will use the global automatic update options of the Firefox options. You can set automatic updates to on or off instead. It is furthermore possible to check for updates manually with a click on the link of the same name.

You can also click on the settings button at the top to perform various operations, including a check for updates, reseting all add-ons to update manually or enabling or disabling add-on updates automatically.

To paraphrase. Firefox users can keep automatic updates turned on and turn off updates for specific add-ons only, or turn off automatic updates and turn them on for trusted add-ons instead.

Firefox users who have set their add-ons to update manually only will see a new listing in the add-ons manager. Available Updates list the available updates for all add-ons set to update manually.

Have you set your Firefox add-ons to update manually or automatically?

Update Notifier (via Cybernet News) automates the process by removing the user input from add-on update installations. The add-on can be configured to automatically check for Firefox add-on updates and install those add-ons automatically without user interaction. This includes an automatic restart of Firefox after downloading and installing the add-on updates.

Update Notifier comes with a few additional settings like configuring the check interval or displaying update notifications in the Firefox status bar. The Firefox add-on takes another burden away from Firefox users who can use the add-on to automatically update add-ons in Firefox without user interaction.