I'm seeing ads in YouTube videos

Update, July 2021: While the majority of issues on YouTube appear to be addressed we are still seeing some users who are impacted. If you are continuing to see ads or observe other unexpected behavior, please reach out to our support team so we can take a look. To expedite your case, please include your debug information and a screenshot of what you see (make sure to include the URL and the AdBlock icon on the toolbar in your shot).

Update, May 2021: If you've recently started seeing YouTube ads even with AdBlock installed, YouTube may be testing some advanced ad blocking circumvention on you. We have not been able to reproduce this issue on our end, however, many of our users have reported a number of different behaviors including seeing unblocked ads, the skip button disappearing, and/or seeing error messages in place of ads. We are also aware of an issue with playlists and the autoplay feature not working. This appears to be happening to users regardless of which ad blocker they're using, which leads us to believe that YouTube is testing some new (particularly aggressive) technology on their end. We're working on this and hope to have it fixed for you as soon as possible!

There are several reasons you may be seeing ads on YouTube. The steps listed below will help troubleshoot issues related to ads that appear in YouTube videos.

Note: If you’re on a mobile device, we can only block ads that appear on web pages you visit in your browser. If you use a mobile browser that supports AdBlock (Safari on iOS devices and Samsung Internet on Android devices), be sure you are watching videos on Youtube.com instead of the YouTube app.

Are your filter lists up-to-date?

If you’re suddenly seeing ads on YouTube and didn’t previously see ads in videos before, there may be an issue with your filter lists. A good first step in troubleshooting filter list issues is to perform a manual update: How do I manually update my filter lists?

Are you subscribed to the proper filter lists?

For AdBlock to block ads on English-language websites, including YouTube.com, you need to subscribe to EasyList.

If you watch non-English videos, also make sure you have subscribed to the filter list for that language. For instance, if you watch videos in French, make sure French + EasyList is enabled in AdBlock's options located on the Filter Lists tab.

Is the site allowlisted or is AdBlock paused?
It seems like an obvious solution but it happens more often than you’d think! Check to make sure you didn't tell AdBlock not to run on YouTube or allowlist the channel you're watching. Find out more about how you can support your favorite content creators with AdBlock.
Try reinstalling AdBlock
If you’re having trouble with ads after trying the troubleshooting steps above, you might want to try reinstalling AdBlock. Reinstalling can help clear out small errors that prevent the extension or app from working correctly. Follow these steps to uninstall and reinstall AdBlock.
Try clearing your cache and cookies

Another step that can help ensure AdBlock is working correctly is to clear your browser’s cache and cookies: How do I clear my browser cache and cookies, reset my browser settings, and update my browser?
Try checking for incompatible extensions

Disable all your extensions except for AdBlock. Reload the page. Try to watch the video again. If you don't see any ads, then one of the extensions you disabled is somehow interfering with AdBlock. Re-enable each extension one-at-a-time until you find the one that makes ads appear. If you need to use one of these extensions, notify the extension's developers so they can fix the issue that's causing the interference.
Nothing’s working. Now what?

If none of the above steps helped, try these additional troubleshooting steps.

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