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Many people report that when they use Google Chrome, they receive the “This webpage was blocked by an extension (ERR_BLOCKED_BY_CLIENT)” error message. If you are one of them, you can refer to this post from MiniTool to find some solutions to fix it.

You may encounter the “This webpage was blocked by an extension (ERR_BLOCKED_BY_CLIENT)” error on Windows 7/8/10. This annoying issue can be caused by the bookmark manager, Chrome extension as well as the outdated Chrome OS. In the next part, let’s see how to fix the “net:: ERR_BLOCKED_BY_CLIENT” error.

Method 1: Open the Web Page in Incognito Mode

When you meet the “requests to the server have been blocked by an extension” error, you can try to browse in Incognito mode in Google Chrome.

You need to click the three dots icon on the top right corner of Google Chrome. Then select the New incognito window from the drop-down menu. This post - How to Turn On/Off Incognito Mode Chrome/Firefox Browser provides more details for you.

Method 2: Disable the Extension

Disabling all extensions and plugins will help you fix the “ERR_BLOCKED_BY_CLIENT” issue. The steps to remove Chrome extensions are very simple. If you don't know how to remove extensions from Chrome, try the steps below:

Step 1: Open Chrome, click the three dots on the upper right corner of the window and then choose More tools from the pop-up window.

click More tools

Step 2: Then select Extensions from a list of options.

Step 3: Scroll down to find the extension and click the Remove button of the extension. Then, remove them one by one.

Then the Chrome extension should be successfully removed and the “ERR_BLOCKED_BY_CLIENT” issue should be fixed.

Also see: How to Remove Extensions from Chrome and Other Popular Browsers

Method 3: Remove Surplus Bookmarks

You can also remove the surplus bookmarks to fix the “ERR_BLOCKED_BY_CLIENT” error. To do this, you need to type chrome://bookmarks/ on the Google Chrome address bar and press Enter to open the bookmark library. Then, press Shift and use the arrow keys to select the surplus bookmarks. Then, click Delete to remove them.

Method 4: Clear the Browser Data

Sometimes, the corrupted Chrome cache can cause the “ERR_BLOCKED_BY_CLIENT” issue. So, you can try clearing cache and cookies to fix the problem. Here is a guideline below for you.

Step 1:  Open Google Chrome and click the three dots icon. Click More tools and go to Clear browsing data.

Step 2: Go to the Advanced tab and select All time from the drop-down menu.

Step 3: Check the Browsing history, Download history, Cookies and other site data, and Cached images and files boxes.

Check the Browsing history, Download history, Cookies and other site data, and Cached images and files boxes

Step 4: Click the Clear data button to apply this change. Then, check to see if the “request to server blocked by an extension” error message has gone. If not, try the next method.

Also see: Google Chrome Is Waiting for Cache – How to Fix

Method 5: Update Google Chrome

At last, if there are any updates, you should update your Google Chrome to fix the “ERR_BLOCKED_BY_CLIENT”.

Final Words

How to fix the “This webpage was blocked by an extension (ERR_BLOCKED_BY_CLIENT)” error? After reading this post, you know some methods to fix it on Google Chrome. I hope this post can be helpful to you.

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