6 ways to fix the error “This site cant provide a secure connection”

This error can be difficult to identify. The cause can range from a Secure Sockets Layer (SSL) misconfiguration to incorrect date and time settings. However, there are simple ways to fix this error, whether you are a website owner or a visitor.

Table of Contents

What is the error "This site can't provide a secure connection"?

The "This site can't provide a secure connection" error appears when a website does not comply with the HTTPS protocol . This error is often caused by not having an SSL certificate on the website, not automatically using HTTPS, having an expired or invalid SSL certificate, or an outdated SSL cache in the browser.

Causes of the error "This site can't provide a secure connection"

There are 6 common reasons why browsers display this error.

No SSL certificate installed

The error message may appear because the website does not have an SSL certificate installed. This means that you are accessing the website via an HTTP connection and the destination server sends all requests and responses in plain text.

The data is not encrypted and can be intercepted by third parties to collect information transmitted between the web server and the browser. This can expose the website to cyber attacks such as malware and man-in-the-middle attacks .

HTTPS is not mandatory on websites

The issue can occur when you have installed an SSL certificate but do not enable the option to force HTTPS. This way, visitors will access the HTTP version of the site instead of the secure URL.

Invalid or expired SSL certificate

You may see this error when the website is using an invalid or expired SSL certificate. This means that the website is currently running over an HTTP connection.

Outdated SSL Cache in Browsers

An outdated or corrupted SSL cache in your browser can contribute to website errors. This can typically happen while you are developing websites or after installing a new SSL certificate.

QUIC protocol enabled

The Quick UDP Internet Connections (QUIC) protocol is enabled by default on the Google Chrome browser . This protocol is used to reduce connection times, improve congestion control, scalability, and multiplexing without Head-of-line blocking.

However, in some cases it can cause SSL issues, such as the “This site can't provide a secure connection” issue.

Incorrect date and time settings

Incorrect date and time settings on your computer can cause Google Chrome to block the website. Incorrect information can cause problems in validating the website certificate. This is why the error occurs.

6 ways to fix the error “This site can't provide a secure connection”

Before you begin, you should check your Internet connection, disable Chrome extensions, and disable SSL scanning on your antivirus and firewall. If the problem persists, here are six troubleshooting methods you can try.

1. Install SSL certificate

Installing an SSL certificate is one of the most effective ways to fix the Can't Provide a Secure Connection error message if you are a website owner. Depending on your web hosting provider, the way to configure the additional layer of security may vary.

At Hostinger, you can install SSL certificate on hPanel:

  • Go to SSL section and click on Install free SSL button .
6 ways to fix the error “This site can't provide a secure connection”
  • Select the domain and click Install SSL .
6 ways to fix the error “This site can't provide a secure connection”
  • When the website address shows a green checkmark and Active status , the SSL has been successfully installed. If not, make sure the domain is pointing to Hostinger nameservers.

This method will solve the Can't Provide a Secure Connection issue on your website.

2. Force HTTPS connection

By forcing HTTPS, visitors will be automatically redirected to the secure URL after they load your website.

If you are a Hostinger user, follow these instructions to force HTTPS connection on your website:

  • Go to Security → SSL from the hPanel dashboard.
  • Click the three dots button next to the problematic domain and select Force HTTPS .
6 ways to fix the error “This site can't provide a secure connection”

This should allow you to open the website. If the problem persists, try the next method.

3. Reinstall SSL certificate

An invalid or corrupt SSL installation can cause your website to display Can't Provide a Secure Connection. The best way to resolve this is to reinstall the SSL certificate.

Here's how to do it on hPanel:

  • Go to Security → SSL from the hPanel dashboard.
  • Click the three dots button next to the problematic domain and select Reinstall .
6 ways to fix the error “This site can't provide a secure connection”

4. Reset SSL cache and clear browser cache

If the above solutions do not work, try resetting the SSL cache on your computer and clearing your browser history. This should allow you to start a new connection.

Follow these instructions to reset the SSL cache on Windows:

  • Type Control Panel on the Windows search tab .
  • On the Network and Internet control panel , select View network status and tasks , and then click Internet Options .
6 ways to fix the error “This site can't provide a secure connection”
  • When the Internet Properties box opens, select the Content tab and click Clear SSL state .
6 ways to fix the error “This site can't provide a secure connection”

To clear data on Google Chrome browser, click on the three dots in the upper right corner of the screen → More toolsClear browsing data .

5. Disable QUIC protocol support

Another popular solution is to disable QUIC protocol support on the Google Chrome browser.

Follow these steps to do so:

  • Type chrome://flags/#enable-quic in the address bar.
  • Look for the Experimental QUIC protocol option , usually located at the top of the page.
  • Click the drop-down box and select Disabled .
6 ways to fix the error “This site can't provide a secure connection”
  • Relaunch your browser for the changes to take effect.

If disabling the protocol does not resolve the issue, proceed to the next method.

6. Check date and time settings

Certificate validity is an important factor in the authentication process. Before accessing a website, the browser checks the SSL certificate's signing date and expiration date using the system's date and time settings.

If it's incorrect, the certificate may no longer be valid. Therefore, adjusting the settings is one of the most effective ways for website visitors to fix the Can't Provide a Secure Connection error message.

Follow these instructions to set the correct date and time zone on different operating systems, such as Windows and macOS.

Windows

  • Click the Windows Start button and select Settings .
  • Select Time & Language .
6 ways to fix the error “This site can't provide a secure connection”
  • Turn on the Set time automatically button . Do the same for the Set time zone automatically option .
  • Verify the changes and make sure the settings are correct.

macOS

  • Select the Apple menu button and click System Settings .
  • Select General in the sidebar and scroll down to find Date & Time .
6 ways to fix the error “This site can't provide a secure connection”
  • To set the date and time automatically, turn on the Set time and date automatically option . To set it manually, turn it off, and then insert the current date and time.
  • To set the time zone automatically, turn on Set time zone automatically using your current location . To set it manually, turn the option off, enter the nearest city, and select its full name from the list.
6 ways to fix the error “This site can't provide a secure connection”

How different browsers display this error

Browsers can display different error messages. Here's how it looks on Chrome and Mozilla Firefox.

Google Chrome

6 ways to fix the error “This site can't provide a secure connection”
This Site Can't Provide a Secure Connection error on Chrome

If the website you are trying to access on Chrome does not support the required TLS/SSL protocols, the browser will display "This Site Can't Provide a Secure Connection". It also tells the user that the destination server sent an invalid response.

Chrome suggests 3 methods to fix the problem – test connection, check proxy configuration, and run Windows Network Diagnostics.

Mozilla Firefox

6 ways to fix the error “This site can't provide a secure connection”
Secure Connection Failed Error on Firefox

On Firefox, an invalid SSL certificate may take you to a Secure Connection Failed page. This tells the user that the connection to the server was reset while the page was loading.

Firefox also provides additional explanations, stating that the browser was unable to validate the received data and asking the user to notify the website owner of the error.

The Site Can't Provide a Secure Connection error appears when the browser encounters an SSL certificate problem, a QUIC protocol problem, or an incorrectly configured operating system installation. Depending on the browser, the message will be slightly different.

Before trying to fix SSL errors, check your Internet connection, disable Chrome extensions, and temporarily disable your firewall and antivirus software.

Whether you are a website owner or a visitor, the article has provided 6 effective methods to solve the problem:

  • Install SSL certificate . Configure through your hosting account.
  • Enforce HTTPS on your website . Make sure visitors are redirected to the secure version of your site.
  • Reinstall SSL certificate . If you appear to have an invalid SSL certificate, reinstall it through your hosting account.
  • Clear your SSL and browser cache . Outdated or corrupt data can cause errors.
  • Disable the QUIC protocol . To do so, go to Chrome's flags menu.
  • Check your date and time settings . Incorrect date and time settings can cause problems during authentication.

Hopefully this article has helped you fix the Site Can't Provide a Secure Connection error. If you have any questions or comments, please leave them in the comments section below.

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