This web page was blocked by an extension (ERR_BLOCKED_BY_CLIENT)

Some users report getting the error “This web page was blocked by an extension (ERR_BLOCKED_BY_CLIENT)” when trying to open one or more web pages with Google Chrome. The problem has been reported to occur on multiple versions of Windows (Windows 7, Windows 8 and Windows 10) and in various older versions of the Chrome operating system.

What is causing the error This web page was blocked by an extension (ERR_BLOCKED_BY_CLIENT)?

We investigated this particular issue by examining various user reports and the repair strategies they implemented to resolve the issue.. According to what we gather, there are several different scenarios that are known to cause this particular error message:

• Chrome OS is very outdated: This error message is quite common when trying to access Gmail from a Chromebook with an outdated version of Chrome OS. In this case, the solution is to update the Chrome OS to the latest version.

• A Chrome extension is blocking the connection: there are several chrome extensions that are known to trigger this particular error. Adblock, Adblock Plus and uBlock are the most likely culprits when it comes to this scenario.

• The error is caused by the Bookmark Manager: the problem is also associated with browsers that use the Bookmark Manager to organize their bookmarks. This usually happens if users have a lot of bookmarks (more of 100).

If you are having difficulty resolving this particular error message, this article will provide you with a selection of verified troubleshooting steps. Below you will find several methods that other users in a similar situation have followed to solve the problem.

To maximize your efficiency, We recommend that you follow the possible solutions presented below in the order in which they are presented. Possibly, you should find a method applicable to your particular scenario that fixes the problem for good.

Method 1: open the web page in incognito mode

Since there is a good chance that the error is caused by a Chrome extension, you should start to check if it is.

The easiest way to check if an extension is causing the error “This web page was blocked by an extension (ERR_BLOCKED_BY_CLIENT)” without having to disable each one is to repeat the procedure that is activating it within an Incognito Mode.

Multiple users struggling to resolve the same issue have reported that this procedure allows them to confirm that the culprit was one of the extensions they installed.

To open a new window in incognito mode, click action menu (three dots icon) in the upper right corner and select New Incognito Window.

Open an incognito window in Google Chrome

In the newly opened incognito window, reload the same web page that caused the error and see if the error no longer occurs. If the error does not occur while in incognito mode, proceed to the next method below.

Note: If the error “This web page was blocked by an extension (ERR_BLOCKED_BY_CLIENT)” still appears even within the incognito window, go directly to Method 5.-

Method 2: disable the extension that triggers the problem

Although many users encounter this error when trying to manipulate certain files with Dropbox, the error has nothing to do with the file sharing platform.

Whether you see this message when visiting the Dropbox URL or a different one, most likely it is because one of the Chrome extensions you installed is blocking the connection.

If you are using Adblock with an Adblock extension, it will most likely resolve the issue after preventing the extension from running. But how can he be dealing with a different culprit, we have created a step-by-step guide that will allow you to identify and deal with the extension that is causing the error “This web page was blocked by an extension (ERR_BLOCKED_BY_CLIENT)” .

This is what you have to do:

1. Inside the Chrome browser, click the action button (three dots icon) and go to More tools> Extensions. Open the Extensions menu through the Action button

2. On the Extensions tab, go ahead and deactivate each active extension making sure the lever associated with each extension is deactivated. Disable extensions

3. Once each extension has been disabled, open a tab with the url showing the error and put it in a convenient place; Let's navigate between the extension menu and the URL to see what the extension is. responsible. Litter box setup

4. Systematically re-enable each extension (one by one) via the Extension menu. After each reactivated extension, reload the url that previously showed the error to see if the error has returned. Systematically reactivate each extension

5. Over time, you will come across the extension that is causing the error. When reloading the URL, you will notice that the error has returned. When you see this happen, go back to the Extension menu and point to the last extension you enabled. Later, click the Remove button and confirm that you want to remove the problem extension forever. Get rid of the extension that is causing the problem.

   Note: If you have just discovered that your ad blocker is blocking your connection to the web server, you can follow the method 4 for specific steps on how to resolve the error message without uninstalling the extension.

If this method did not allow you to resolve the error “This web page was blocked by an extension (ERR_BLOCKED_BY_CLIENT)”, proceed to the next method below.

Method 3: reinstall the Bookmark Manager extension

If you run into this problem while using the Google Bookmark Manager extension, you can most likely solve the problem simply by uninstalling the extension.

Multiple users struggling to resolve the same error message have reported that the issue was fixed after reinstalling the extension. It turns out that the error is reported “This web page was blocked by an extension (ERR_BLOCKED_BY_CLIENT)” occurs together with the Bookmark Manager if you have more than 100 bookmarks that are being processed at the same time when you open the browser.

To reinstall the extension, just visit this link (here) and click Remove from Chrome. Later, once the extension has been uninstalled, click Add to Chrome to install it again.

Reinstalling the Bookmark Manager extension

Once the extension is reinstalled, restart your browser and see if the error message is resolved.

If you still encounter the error This web page was blocked by an extension (ERR_BLOCKED_BY_CLIENT), go to next method.

Method 4: Whitelist the web page you are trying to access

If you have previously confirmed that one of your ad blocking extensions is the cause of the error, you can resolve the error message by adding the website that is being blocked to the Whitelist.

If you're wondering why some AdBlockers block URLs that don't necessarily have ads, it is due to some rules that could lead to false positives. For example, your Adblocker may block a particular url simply because it contains suggestive words like ad, ad, Double click, ad, interstitial, etc.

Fortunately, you can easily resolve this false positive by adding the url you are trying to visit to your Adblocker's list of exceptions.

In Adblock, You can do this by right-clicking on the Adblock icon and choosing Options. Then, go to whitelist webpages tab, add your url in the box and click add website.

Add URLs to Adblock Whitelist Web Pages

Note: If you are using a different ad blocker, look for specific steps online.

Method 5: update Chrome OS to the latest version (if appropriate)

It turns out that the error “This web page was blocked by an extension (ERR_BLOCKED_BY_CLIENT)” often occurs on Chromebooks. In this case, the problem is due to an outdated revision of the Chrome OS. Normally, Affected users report that the error appears when they try to access Gmail or a similar Google service.

If this particular scenario applies to you, the solution is extremely simple. You just have to update Chrome OS to the latest version available. Here is a quick guide on how to do it:

1. Before doing anything else, make sure your chromosome book is connected to the internet.

2. Go to the lower right section of the screen and click once inside the time box. Later, select settings icon (gear) to access the Settings menu. Access the settings menu on a Chromebook

3. Expand the Settings menu on the left section of the screen and click About Chrome OS. Access the About Chrome OS menu

4. A Google Chrome OS, click Check for updates to trigger a scan. If there is a new software update available, the download will start automatically. Check for updates on Chrome OS

5. Once the new version of Chrome OS is installed, restart your computer and see if the error is resolved on next startup.