How Do I Fix Certificate Errors – Even if you have an SSL certificate installed on your website, your users may still get the .NET :: ERR_CERT_AUTHORITY_INVALID error. Despite the scary name, a wrong CA is not something you should panic about.
Simply put, your browser does not recognize the validity of your certificate. It shows this error to keep you ‘safe’ so you know something is up. As a website owner, there are many things you can do to fix problems.
How Do I Fix Certificate Errors
This lesson will talk about what error messages mean and how they appear in different browsers. Later we will teach you how to fix NET::ERR_CERT_AUTHORITY_INVALID errors, covering all possible causes.
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As the name suggests, the error appears when your browser is unable to verify the authenticity of your website’s SSL certificate. If you have not installed a certificate or are using HTTP that is not recommended for your website, you should not run into this error.
Generally speaking, there are three main causes of wrong certification authority errors. Take turns:
Every time a user accesses a website with an SSL certificate, their Internet browser needs to validate and decrypt it. If there are any errors during the process, they will see a warning.
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In many cases, Internet browsers will actively block users from accessing websites to protect them. This often occurs in the form of a “Your connection is not private” error. As you can imagine, this is a big deal if it happens on your own website.
Sometimes you may get .NET::ERR_CERT_AUTHORITY_INVALID error due to local configuration. In the next section, we will show you several ways in which this error can occur, and then we will talk about how to fix this problem.
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The way the error appears may vary slightly depending on the browser you are using. Your operating system and certificate configuration may play a role in the various error messages that appear.
With that in mind, let’s take a look at the most common variations of .NET :: ERR_CERT_AUTHORITY_INVALID internet browser errors.
When you have this problem in Chrome, the browser immediately informs you that your connection is not private. Since the browser does not recognize the validity of your certificate, it is not possible to encrypt your data.
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That means if you proceed, do so at your own risk. The error message is:
In all cases, Chrome identifies the source of the error in the certificate. The browser allows you to go to the site if you choose, but it warns against doing so.
Firefox wastes no time telling you that you have a security risk. Also, this browser does better than Chrome when it comes to possible causes and tells you not to panic.
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Firefox detected a problem and did not go to domain.com. This site is set incorrectly or your computer clock is set to the wrong time. It’s possible that the site’s certificate has expired, preventing Firefox from connecting securely. If you visit this site, an attacker may try to steal information such as your email password or credit card details.
Variations of that error do not include specific codes. In most cases, the screen will include one of the following codes:
If you see an error code like the one mentioned above, be sure to copy it down somewhere. This is how internet browsers tell where things are going wrong. In our experience, a simple search for a specific error code can often help you find a quick fix.
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The Microsoft Edge error message you see below will look familiar. This is almost identical to the message that Chrome displays directly to the included code:
As with Chrome, these error messages provide some insight into the root of your .NET: ERR_CERT_AUTHORITY_INVALID error.
If you’re a Safari user, you’ll run into a variant of the ‘This connection is not private’ error, which will alert you if there’s a problem with the certificate and website encryption. Here’s what the message says:
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This site may impersonate “domain.com” to steal your personal or financial information. You must return to the previous page.
That specific error is caused by an expired certificate. As we mentioned earlier, certificate expiration is one of the most common causes of NET::ERR_CERT_AUTHORITY_INVALID errors.
Now that you know what it looks like in most major browsers, it’s time to check out the .NET :: ERR_CERT_AUTHORITY_INVALID error solution. We talked earlier about its most common causes. However, we also mentioned that your local configuration may cause this in some cases.
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This means that there are many potential solutions to this problem. To keep things simple, we’ll start by dealing with the three most common culprits: self-signed expiration and ‘untrusted’ certificates. After that we will move on to more general solutions.
If you installed your SSL certificate right before the error started, something may have gone wrong during the installation process. This can often happen if you have installed the certificate yourself instead of through your web host.
The easiest way to check and see if your certificate is installed correctly is to use an SSL authentication tool like the one provided by Qualys SSL Labs. This particular tool is available for free.
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All you need to do is enter the domain where the error appears and click the submit button:
Now wait for few minutes for result. Ideally, you should get an A+ with a perfect score for all your certifications:
If you don’t get a good score, scroll down to the list of certificates that the tool shows. There should be a section that tells you if your certificate is trusted. If the tool gives you a negative result, you need to install a certificate from a trusted source instead.
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There is no excuse for using a self-signed certificate today. If price is the only factor, you can get a free certificate from Let’s Encrypt. Since this is a valid authority, all browsers will recognize the validity of your certificate:
If you are a user, we can help you install your free Encrypt certificate by clicking through your My Dashboard:
However, some sites require you to do more than just a free certificate. Free certificates need to be renewed frequently, which can work. Premium certificates provide many other benefits such as insurance in case of data breach, encryption for multiple domains and more.
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Especially for e-commerce sites, it’s worth paying for a premium SSL certificate. If you purchase a certificate, make sure it’s from a valid authority to avoid running into a .NET::ERR_CERT_AUTHORITY_INVALID error.
SSL certificates need to be renewed regularly for security purposes. The process of verifying your domain’s ‘identity’ continues, without which the certificate loses some validity. Free certificates from Let’s Encrypt every 90 days, while payment options last longer.
Upon expiration, you will need to renew your certificate manually unless your web host handles it for you. In any case, Let Encrypt will contact you when your certificate is about to expire, so you can renew it ahead of time. However, depending on the web host you use, you may not be able to access the update options through your control panel.
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If you’re a customer, we’ll take care of SSL certificate renewal for you, so you don’t have to worry about marking your calendar.
If you have access to your server, you can use the Certbot tool to install and renew SSL certificates via the command line.
When renewing your SSL certificate, try reloading your website to see if the .NET :: ERR_CERT_AUTHORITY_INVALID error persists.
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In most cases, the .NET::ERR_CERT_AUTHORITY_INVALID error will disappear on its own when you try to reload the page. It only takes a second to do, so it doesn’t hurt to try.
If the error persists after multiple reloads, we recommend that you try accessing the site using ‘incognito mode’ if your browser provides you with that option:
If the site is running in incognito mode, the error is caused by your browser trying to load an outdated cached version of the page. This gives you the information you need to solve the problem directly (as we’ll see in the next section).
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If switching your internet browser to incognito mode causes NET :: ERR_CERT_AUTHORITY_INVALID errors, the problem may be related to your browser cache.
Clearing your cache and cookies is easy, but the process varies depending on the browser you use. Below you can find instructions for clearing the cache in all major browsers:
Another solution is to try and force a reload of your site specifically, without clearing the cache. Forcing a reload sometimes doesn’t work, so clearing your cache is our recommended solution.
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