Firefox wont install extensions

Some websites serve add-ons as downloads, requiring you to download the file to your computer, before installing it.

If you click an install link and nothing happens, you should verify that JavaScript is enabled. For more information, see JavaScript settings and preferences for interactive web pages. Corrupt extension configuration files can cause problems when trying to install an extension. Deleting these files will make Firefox recreate them removing any corruption the next time it starts.

You won't lose your extensions or their settings by deleting these files. Another installed extension may interfere with the installation of new extensions. Install the new extension in Firefox Troubleshoot Mode as a workaround. Grow and share your expertise with others. Answer questions and improve our knowledge base. Search Support Search. Home Firefox Fix slowness, crashing, A pop-up will appear with information about the permissions required for the extension.

Lastly, a message will show you where the extension lives. First, open Firefox on your Android phone or tablet and tap the three-dot menu icon in the bottom bar.

This is the list of available extensions for the Android app. A pop-up message will explain the required permissions.

Lastly, a message will show you where the extension can be accessed. Firefox was one of the first browsers to support extensions, and it still boasts a great selection. Now that you know how to install them, go forth and make the browser even better. Use Google Fonts in Word.

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Best Oculus Quest 2 Accessories. Best iPad Air Cases. Awesome PC Accessories. If your problem did not occur in Safe Mode, the likely cause is an extension, theme or hardware acceleration. Continue following the steps in this article to determine whether one of these is the problem.

Troubleshoot Mode temporarily disables all extensions, uses the default theme, and turns off hardware acceleration. Running Firefox in Troubleshoot Mode can help determine if one of these is causing your problem.

To learn more, see Diagnose Firefox issues using Troubleshoot Mode. To start Firefox in Troubleshoot Mode:. After you click the Open button and Firefox starts, test for your problem. If your problem persists in Troubleshoot Mode, it is not being caused by an extension, theme or hardware acceleration. Other possible causes include changes made to Firefox preference settings, which are not disabled in Troubleshoot Mode. If your problem did not occur in Troubleshoot Mode, the likely cause is an extension, theme or hardware acceleration.

With some graphics processors and graphics driver setups, Firefox may crash or have trouble showing text or objects on pages when using hardware acceleration. You can try turning off hardware acceleration to see if it fixes the problem. In the Menu bar at the top of the screen, click Firefox and select Preferences. Click the menu button and select Options Preferences.

Click the menu button and select Settings. If the problem is no longer happening, then hardware acceleration was likely the cause.

You can try updating your graphics drivers to see if that fixes it or simply run without hardware acceleration. Otherwise, your problem is likely related to extensions or themes.

Continue with the steps in this article to see if they help. Test for your problem. If it no longer occurs, the theme you were using was causing it.

If it still occurs, continue following the steps in this article. To determine whether a faulty extension is causing your problem, you can disable all of your installed extensions:. If the problem no longer occurs with all extensions disabled, one of your extensions was causing it. To find the extension that was causing your problem, continue as follows:.