How to fix “ERR_SSL_PROTOCOL_ERROR” in the Google Chrome Browser?

If you are a Chrome User and uses Google Chrome on Regular Basis, then you must have been through this “err_ssl_protocol_error” kind of error. It is a very common error and happens with almost everyone using Google Chrome. The worst part about this error is that it can happen very often like unusual traffic from your computer network error occurs again and again while browsing Google on VPN mode. This error tends to prohibit the complete internet connectivity in the Chrome. It can happen in other browsers too that makes it a more complicated issue. But, you don’t have to worry at all, we are here to solve this issue for you. We will provide you some of the easiest solution possible for this error so you can try it out and get rid out of this error in the Google Chrome Browser.


What is “err_ssl_protocol_error” and why it appears in the Chrome Browser?

This is a very common error that happens to almost every Chrome user. It is an error that happens when the server does not follow the proper SSL protocols. It can happen very often. For instance, When one attempts to interface with a site one may get a blunder message saying: “This site cannot be able to provide a secure connection” and it then displays an error code as “ERR_SSL_PROTOCOL_ERROR”.

In nearly every case, this problem occurs because of some sort of issue with the server, or it may require a customer validation declaration that won’t be accessible. Furthermore, a similar issue could be caused by other a few reasons. It can be easily caused if the Date and Time of the Device don’t match with the Server Time and also if the data connection limit of Chrome has been set. This might be an issue with the server, or it might require a customer verification endorsement that you don’t have. And can even happen if you haven’t cleared the data of Google Chrome for a long period. By the way, no need to worry, here are the top three methods that can help you in solving this protocol issue of the Google Chrome.

How to fix “ERR_SSL_PROTOCOL_ERROR” in Chrome?

We can fix ERR_SSL_PROTOCOL_ERROR in chrome by Clearing the SSL State or by Disabling The Google Chrome’s QUIC Protocol or either by removing all the the Google Chrome Browser’s Extensions. Before following any of these steps make sure you have checked the server time with the device time as it can cause this protocol error. Installed Antivirus can also cause this error. So, try Disabling the AntiVirus Software for some time to solve this protocol error in Google Chrome. If they don’t work, then Try the methods given below:

Clear the SSL State

This method of clearing SSL State works for most of the users having this Protocol error. On clearing the SSL state files the data and setting of SSL goes back to the default that can easily solve this error. The steps of this solution are as below:

  1. First, Open Google Chrome on your device.
  2. Now, Go to the Customization Tab and Control Tab in Google Chrome, then you will see three dots just below the Close button of the Google Chrome.
  3. Then, Go to Setting to Change the SSL State settings.
  4. Now, you have to scroll down the page.
  5. Now, Click on the Advanced Settings Tab.
  6. Then, Find the “Open proxy settings” either by searching it in the search box or by scrolling the page down.
  7. After doing so a window will pop up as ‘Internet Properties’.
  8. Now, Click on the “Content” tab and then select the “Clear SSL State Button.”

After doing so, The SSL State will be cleared. And thus, the “Err_ssl_protocol_error” and many other error like DNS_PROBE_FINISHED_NO_INTERNET will also be solved by this method. If it doesn’t work, then follow other methods.

Disable The Google Chrome’s QUIC Protocol

If above method doesn’t work for you, Don’t worry. There is another method can also work like magic for this error. In this method we will disable Chrome’s QUIC Protocol to solve this error. So, if you have to disable the Google Chrome Browser’s QUIC protocol you have to follow below steps:

  1. Open Chrome Google Browser On your Device, While making sure you have a working internet connection.
  2. Now you have to do some copy paste work. You have to copy the below given address and have to paste it into the Google Chrome’s address bar.
    The address to copy is: “chrome://flags/#enable-quic”.
  3. After Doing above step, Press the Enter Key.
  4. Now, You must have seen a dialog box having “Default” as it prescribed settings. Now you have select “Disabled” from the drop-down list in that page to change it from ‘Default’ to ‘Disabled’.

Then, All you have to do is Restart your Google Chrome Browser.

Now, Try browsing the internet to check whether this SSL protocol error is solved or not. If you have followed each step correctly, it might have been solved.

Disable all the Google Chrome Browser Extensions

In most of the cases, Above two given method can easily solve this protocol error. But, if it doesn’t work for you then we have a method we call ‘The Last Fix’ as it will definitely solve this error. In this last method we will disable Browser’s Extensions to solve this “Err_ssl_protocol_error” Error. When you confront this “Err_ssl_protocol_error” error, then you must try starting the Google Chrome Browser in and try loading that similar website having the “err_ssl_protocol_error” in the “incognito mode” or private mode. If you find that the connection starts working then there must be some issue with the current extension of the Google Chrome. So, we have to disable it to solve this “err_ssl_protocol_error”. To disable the Google Chrome Browser’s Extensions, follow steps given below:

  1. At, First Open the Google Chrome browser.
  2. Now, On the Top Right Corner select the Menu Tab and then click on the ‘More Tools‘ options.
  3. Then, from the more tools options select the Extensions tab and from the marked enabled extension disable them.
  4. Now, left click on the “Remove” to delete the extensions permanently. It will make their settings go to the default conditions.

So, If you are able to browse the internet without any sort of error in the Incognito mode then, this method will definitely solve this SSL protocol error for you.

If this problem still persists, then you can also try to “Change the Internet Security And Privacy Level”. As on the High internet security and Privacy Level this issue can occur often, so by changing the privacy level to medium or low, this issue may get solved. To do so, you just have to go to Security tab in Google Chrome and have to Select the Security level between Medium Or low. This will remove the SSL protocol blockage and the internet connection will be established after that.


And, Even after trying all the above given methods, the issue still persists then try restarting the computer and the data modem. If this “err_ssl_protocol_error” error isn’t solved even after that, then please let us know in the comment box.

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