Err_Ssl_Protocol_Error: How To Fix IT (Updated 2022)


A secure connection to your WordPress site may fail to load if an issue such as ERR SSL PROTOCOL ERROR occurs. Here, we’ll break down what this mistake implies and how to rectify it so that your site can once again serve your users.

Different problems on the server end or on your end, or a combination of the two, might lead to this error. While Chrome is where you’ll most likely see it, other browsers may display it differently.

How To Quickly Resolve “ERR_SSL_PROTOCOL_ERROR” Message In Chrome


A “This site can’t offer a secure connection” or ERR SSL PROTOCOL ERROR warning is something every Google Chrome user has seen at some point. It’s aggravating since there’s often no clear reason for this mistake (or series of errors). SSL issues may occur on any website, from the most visited to the least. Even I have one on our site, and I know for a fact that our SSL/TLS setup is enough since I have personally tested it.

Just as we’ve shown, it’s almost hard to pinpoint a single factor for why Google occasionally displays “This site can’t offer a secure connection” in error messages. From anything as simple as an out-of-date system to something as complex as a malfunctioning server, practically anything is possible.

Forget about the diagnosis for a second and let’s get down to the real reason you’re here: the therapy.

For help with the Chrome error ERR SSL PROTOCOL ERROR, read on! Don’t give up if one solution doesn’t pan out. As time goes on, you should be able to resolve this problem.

How To Change Antivirus Settings To Repair ERR_SSL_PROTOCOL_ERROR


Antivirus software might be too cautious at times, which could impede your ability to access to the internet. In order to detect malicious content, antivirus software often tracks the websites you visit. You will be denied access to the website if it uses an insecure or unsupported version of the SSL/TLS protocol.

WARNING: if you check and change your antivirus settings, you may end up enabling an unsafe SSL/TLS setup on a website.

If you’re experiencing an ERR SSL PROTOCOL ERROR, checking your firewall is the first step in fixing the problem.

The Windows Firewall regulates the traffic moving into and out of your computer. Your web browser will not be able to access any sites that are on your Internet Firewall’s blacklist. Therefore, you should double-check your Firewall to make sure the target website is not blacklisted. If it’s present, deleting it will allow the page to load properly again.

The aforementioned workarounds ought to be effective in most situations when this problem occurs. Put each one to the test until you locate the one that works.

Related Article: How To Fix Error 0x0 0x0: Is it a Part Of Windows All The Time?

Set The Right Date And Time To Resolve ERR_SSL_PROTOCOL_ERROR

Seems a little too simplistic, no? As a general rule, the simplest answer is the best one. Perhaps the issue is the result of wrong date and time settings. You should check to see that your system isn’t falling behind or ahead of schedule.

What’s the big deal here? Authentication relies heavily on certificates, therefore it’s crucial to keep careful track of when they were issued and when they’ll expire. When trying to authenticate, things might go horribly wrong if your system’s time and date are off. Due to the browser’s tendency to err on the side of caution, even a little issue, such as using an incorrect time, might result in an SSL connection problem.

Resetting Chrome’s Browsing History Should Resolve The ERR_SSL_ PROTOCOL_ERROR

Moves logically from one simple answer to another.

If the time and date are right and you only want to remove Chrome’s cache and cookies, go ahead. You may delete all of your history by pressing Ctrl + Shift + Delete. We still advise cleaning your browser data on a regular basis, even if this hasn’t resolved the “This site can’t offer a secure connection” issue.

Clearing Your SSL State Should Fix ERR_SSL_PROTOCOL_ERROR

If none of those options work, you may always try clearing your SSL State. Here are the measures to take:

  • You may modify Google Chrome’s settings by clicking the ellipses (…) located directly below the browser’s close button.
  • To adjust your preferences, choose the Settings tab.
  • Click the “Advanced Settings” link at the bottom of the page.
  • Scroll down or use the search box to locate Open proxy settings.
  • The ‘Internet Properties’ window will pop up.
  • Simply choose the Clear SSL State button in the Content pane.

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If You’re Seeing An ERR_SSL_PROTOCOL_ERROR, Deleting The Hosts File On Your Computer Should Fix The Problem

Hostnames may be blocked or redirected using the Windows Hosts file. In the hosts file, each entry pairs an IP address with a hostname to instruct the system to use the given address whenever the latter has to be resolved.

  • How to either delete or edit the Host file.
  • You may bring up the Run dialogue by pressing the Windows key plus R on a keyboard.
  • In the search box, enter “C:WindowsSystem32driversetc” and hit Enter.
  • Select the hosts file in the new folder, then select Delete from the context menu.
  • If prompted, choose Yes, Delete, and restart the browser.

Disabling Add-Ons In Your Web Browser Is One Solution To The ERR_SSL_PROTOCOL_ERROR.

It is possible that the ERR SSL PROTOCOL ERROR is being caused by a browser plugin. You may try accessing the same website by switching to Incognito mode in Google Chrome. If you can access the page, then one of your add-ons is causing the issue. Which one is really responsible is a mystery. The most efficient method would be to disable or remove extensions individually.

To do so, just follow these instructions:

  • Chrome extensions may be seen in their entirety by visiting chrome:/extensions/.
  • Disable any unnecessary add-ons by selecting the Extensions menu, then visiting the URL in question.
  • If you discover that a particular add-on, when activated, is triggering the problem, you may remove it.

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