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How to Fix “Comment failed to post” on YouTube

Are you trying to post a comment on YouTube but you received an error message that says, “Comment failed to post”?

Users have been facing this issue throughout the years on YouTube and it can be very frustrating.

This is because you might be trying to post a comment or reply to someone urgently, but you’re unable to.

Fortunately, the error message can be resolved with a few solutions.

In this article, you’ll learn three different ways to fix the “Comment failed to post” error on YouTube.

Additionally, an alternative solution will be mentioned in this article that you can use to reply to comments.

By the end of the article, you will be able to finally comment on your favorite videos again.

On the other hand, if you’re a YouTuber, you’ll be able to reply to the comments on your videos.

Table of Contents

  1. How to Fix “Comment failed to post” on YouTube
  2. Why did I get the “Comment failed to post” error on YouTube?
  3. How to Fix “Comment failed to post” on YouTube
  4. Alternative solution
  5. Conclusion

Why did I get the “Comment failed to post” error on YouTube?

Comment failed to post YouTube

You got the “Comment failed to post” error on YouTube because of a glitch.

The “Comment failed to post” error is a known glitch on YouTube.

It typically happens when you try to comment on a YouTube video that has a paused ad.

Typically, you’ll get the error message when you try to reply to a comment on a video that has a paused ad.

If you happen to pause an ad on a video, you might not be able to comment on it.

When you try and comment or reply to a comment on it, you’ll get the “Comment failed to post” error.

No matter what you do, you may not be able to post your comment.

This is a known glitch on YouTube that has been around for many years.

A lot of users are getting the same error and are wondering how to fix it.

Unfortunately, YouTube did not manage to release an update that gets rid of it yet.

For now, you need to rely on manual solutions in order to get rid of the error message on YouTube until they release an update that fixes it.

Speculation as to why the “Comment failed to post” exists is because YouTube wants to mitigate spam comments by bots.

Bots will typically post a comment on a YouTube video without skipping ads or watching the entire video as they do not have the ability to do so.

Hence, skipping an ad might be a form of a CAPTCHA to determine whether you are a bot or a human.

How to Fix “Comment failed to post” on YouTube

To fix the “Comment failed to post” error on YouTube, you can either try skipping the ad, letting the video play, or clearing cookies and site data.

Alternatively, you can try using the YouTube app on your mobile device instead of a desktop to post your comment.

Try skipping the add, letting the video play, or clearing cookies and site data (if you’re using YouTube on a desktop).

If you’re still unable to post your comment, try using the YouTube app on your mobile device instead of a desktop.

The error message typically happens when you’re replying to a comment on a video with a paused ad.

In addition, the error is known for occurring when you’re using YouTube on a desktop.

Despite its triviality, many users on YouTube have no idea on how to fix the “Comment failed to post” error.

Unless you’re able to get rid of it, you won’t be able to reply to comments on YouTube.

Let’s get into the three solutions in detail.

1. Skip the ad

Skip Ad YouTube

Firstly, you can try skipping the ad in the video.

The error message is typically caused because you’re trying to reply to a comment on a video that has a paused ad.

In order to fix the error, try skipping the ad(s) on the video before posting a comment.

As mentioned previously in this article, the error message is most likely caused because you’re trying to reply to a comment on a video that has a paused ad.

In order to get rid of the “Comment failed to post” error on YouTube, you need to skip the ad(s) that are on the video.

Simply wait for 3 to 5 seconds until you’re given the option to skip the ad.

Then tap on “Skip” to skip the ad on the video.

Once you’ve skipped the video, try posting your comment again.

You should be able to successfully post your comment after you’ve skipped the ads on the video.

Many users have confirmed that the problem was due to the ad on the video.

After they skipped it, most of them managed to fix the error.

2. Let the video play

YouTube play video

In certain circumstances, you may be unable to post a comment on YouTube because the video isn’t playing.

At times, you might not be able to post a comment on a YouTube video because it isn’t playing.

In order to fix this, try playing the video (in the background) before posting your comment.

If you skipped all the ads on the video but you’re still unable to comment, try letting the video play instead of pausing it.

Simply click on the video to play it (if you’ve paused it before).

Then, let the video play in the background as you type your comment.

While the video is playing, post your comment and see whether it goes through.

You can use this method if there isn’t an ad at the start of the video as well.

You can also try watching/skipping to the end of the video and then try commenting again.

3. Clear cookies and site data

Remove all shown cookies and site data

Forthly, you can try clearing cookies and site data for YouTube.

Clearing cookies and site data will delete some of your information on YouTube which can help to fix the “Comment failed to post” error.

Cookies are designed to save your browsing information.

When you clear cookies and other site data, your browsing information will be deleted.

This can help to fix the “Comment failed to post” error on YouTube.

In order to clear your cookies and site data for YouTube on Chrome, you need to access your Chrome settings and go to “Privacy and security”.

Here’s a step-by-step guide on how you can clear cookies and other site data for YouTube:

  1. Tap on the triple-dots icon on the right corner of your screen.
  2. Hover your cursor over “More tools”.
  3. Click on “Clear browsing data”.
  4. Close the pop-up screen.
  5. Under “Privacy and security”, select “Cookies and other site data”.
  6. Scroll down and click on “See all cookies and site data”.
  7. On the search bar, search for “YouTube”.
  8. Lastly, click on “Remove All” to remove all cookies and site data for YouTube.

After you removed all cookies and site data for YouTube, you may need to sign in to YouTube again.

You should be able to post a comment after.

4. Clear cached images and files

Clear cache on Google Chrome

Lastly, you can try clearing your cache.

Navigate to your Chrome settings > Privacy and security > Clear browsing data > Cached images and files > Clear data.

Clearing your browser’s cache will not only delete junk files, but it’ll also free up your storage space.

To clear cached images and files on Chrome, you need to access your Chrome settings and go to “Privacy and security”.

Here’s a step-by-step guide on how you can clear cached images and files:

  1. Tap on the triple-dots icon on the right corner of your screen.
  2. Hover your cursor over “More tools”.
  3. Click on “Clear browsing data”.
  4. Tick “Cached images and files”.
  5. Click on “Clear data” to clear cached images and files.

After you cleared your browser’s cache, go back to YouTube and try posting a comment again.

You should be able to post a comment without getting any errors.

Do note that you may need to sign in to YouTube again after clearing your cache.

Alternative solutions

YouTube Studio on the App Store

If you can’t comment on a desktop, you can try posting your comment using the YouTube app instead.

You can also reply to comments using the YouTube Creator Studio app.

Reply to comments using the YouTube/YouTube Creator Studio app on your mobile device instead of a desktop.

The “Comment failed to post” error is known to occur if you’re using YouTube on a desktop.

If you’re using the YouTube app, it’ll mitigate the error from happening.

If you want to reply to the comments in your videos, you can do so from the YouTube Creator Studio App.

Here’s how you can reply to comments using the YouTube Creator Studio app:

  1. Download the YouTube Creator Studio app on the App Store/Google Play Store.
  2. Sign in to your YouTube account.
  3. Tap on “Comments”.
  4. Select the comment that you want to reply to.
  5. Type your reply under “Add a reply…”.

If you’re replying to comments via the YouTube Creator Studio app, you won’t get the “Comment failed to post” error message.

Conclusion

If you can’t post a comment on YouTube, it’s most likely because of a paused ad.

So the next time you’re unable to post a comment, try skipping the ad first.

However, if you still can’t post a comment, try clearing your browser’s cache and cookies.

I hope that this article helped you to fix the “Comment failed to post” error on YouTube.

If you want to prevent the error from ever happening again, be sure to skip the ad on a video before posting a comment.

Further Reading

Why Are My YouTube Email Notifications Not Working?

What Does “Join” Mean on YouTube?

Is It Too Late to Start Instagram?

Author: Lim How Wei is the founder of Followchain. Feel free to follow him on Instagram.

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About the author

Lim How Wei

Lim How Wei is the founder of followchain.org, with over 7+ years of experience in Social Media and 3+ years of experience in investing in stocks and cryptocurrencies. He has researched, tested, and written hundreds of articles ranging from social media platforms to messaging apps.