This means that it does not block the ad pop-ups on any website defeating the entire purpose of having an ad-blocker. However, if you are looking for the best browsers with built-in ad-blockers, we have a nice selection for you. Fortunately, we have a few workarounds, but before we delve into them, here’s why your uBlock Origin extension may not be working.

Why is uBlock Origin not working?

Some of the reasons why the uBlock Origin extension is not working include:

Outdated Firefox browser Interference by another extension Connection problems by IPV6 Accumulated browser cache Extension requires update Change in the browser configuration

So, if the uBlock Origin extension is not working on Firefox or Chrome, you can try the below methods to fix the issue.

What can I do if uBlock origin doesn’t work on Firefox?

1. Turn off IPV6 in Firefox

Since Firefox automatically supports IPv6, this may lead to network problems, and hence, disabling it may help you fix the uBlock Origin not working issue. Now, restart Firefox and check if the uBlock Origin extension is working properly. Whether the uBlock Origin is not working on Firefox for YouTube, Twitch, or any other similar websites, this method is applicable for all.

2. Clear the browser cookies and cache

Now, restart your browser and the uBlock Origin extension should be working fine now. To clear cookies and cache for other browsers also on Windows 11, you can refer to our detailed post here.

3. Reset uBlock Origin

This will help you create a backup for your saved settings and reset the extension. So, if you are facing the issue where uBlock Origin is not working on Chrome or other browsers, this method can be helpful. SPONSORED

4. Try another browser

If you are having issues with uBlock Origin on Chrome or Firefox, you can also try the Opera browser. Although Opera comes with a built-in ad blocker, uBlock Origin works seamlessly with the browser. Best of all, it can also read and create filters from host files. So, while the extension blocks the annoying ads, you can do more on the web with a fast and secure browser.

Does uBlock Origin work on Firefox?

Yes, uBlock Origin works pretty well with the Firefox browser, however, it makes sure that the extension is updated to its latest version. Here’s how you can check for updates for the extensions. You can also quickly clear the browser cache in Windows 11 by following the methods in our post since it’s one of the reasons why uBlock Origin may stop working. Alternatively, you can also install the Ublock Origin developer’s build from Github, based on the browser you are using. This will help you fix the issue. Besides, you can also check for any latest update for Firefox or disable any other extension that may be causing the uBlock Origin to malfunction. But if the uBlock origin is specifically not blocking Twitch ads, you can refer to our detailed guide for further help. For more queries on browser extensions, you can let us know in the comments box below.

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