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Insight Horizon Media

Why am I getting certificate errors on all websites?

Author

John Castro

Published Feb 10, 2026

Why am I getting certificate errors on all websites?

An SSL certificate error occurs when a web browser can’t verify the SSL certificate installed on a site. Rather than connect users to your website, the browser will display an error message, warning users that the site may be insecure. Sites that aren’t encrypted may see hits to their traffic or conversion rates.

Why do I keep getting security certificate warnings?

Security certificates are used by our web browsers and computers to make sure a particular site is safe. If your computer has the wrong date and time set, this can cause certificates to appear invalid & your web browser will begin to issue security warnings.

Why am I getting certificate errors on all websites Chrome?

Main reasons behind SSL Certificate Error on Google Chrome are: The System Time is not the real-time. The SSL certificate has Expired. The SSL certificate is not issued by a Trusted Certificate Authority (CA) or a self-signed certificate is used to secure a website.

How do I stop security certificate warnings?

Go to the “Advanced” tab and scroll down until you find the “Security” section. Look in the list for “Warn about certificate address mismatch” and uncheck the box beside it. When you’ve done this, click “Apply” and “OK” to confirm your changes.

How do I fix my website security certificate?

To do this, follow these steps:

  1. In Windows Internet Explorer, click Continue to this website (not recommended).
  2. Click the Certificate Error button to open the information window.
  3. Click View Certificates, and then click Install Certificate.
  4. On the warning message that appears, click Yes to install the certificate.

How do I fix certificate errors on my website?

Fix the ‘certificate error message’ in Internet Explorer

  1. Open Internet Explorer.
  2. Click Tools icon. | Internet Options.
  3. Click the Advanced tab.
  4. Under “Security”, de-select the following: Check for publisher’s certificate revocation.
  5. Click Apply.
  6. Click Ok.
  7. Close and relaunch Internet Explorer.

How do I get rid of untrusted certificate error?

To resolve this problem, install the intermediate certificate (or chain certificate) file to the server that hosts your website. To do that, log into your DigiCert Management Console, click the order number, and then select the certificate download link. This file should be named DigiCertCA.

How do I fix an untrusted certificate error?

Untrusted Certificate Authority Fix: If you want to use a self-signed certificate for your website then manually add the certificate to the browser’s trust store. Tip: To avoid this always ensure you buy your certificates from a reliable certificate authority.

How do I turn off security certificate warnings in Google Chrome?

Open Chrome, type chrome://flags in the address bar, then press “Enter“.

  1. Type the word “secure” in the search box at the top to make it easier to find the setting we need.
  2. Scroll down to the “Mark non-secure origins as non-secure” setting and change it to “Disabled” to turn off the “Not Secure” warnings.

How do I get rid of security certificate error on Chrome?

How to Fix SSL Security Certificate Errors in Chrome

  1. Update Your Computer’s Date & Time.
  2. Use Chrome in Incognito Mode.
  3. Remove Chrome Extensions.
  4. Clear Website Cookies.
  5. Delete Chrome’s Cache Files.
  6. Disable SSL Scanning from Antivirus.
  7. Reset Google Chrome Settings.
  8. Contact Website Administrator.

How do I clear security certificates?

In Security and Location, under device Admin, go to Encryption and Credentials. In Encryption and Credentials, under Credential Storage, you will see options like Storage Type, Trusted Credentials, User Credentials, Install from SD cards, and Clear All Credentials.

How do I get rid of certificate errors?

How do I Check my security certificate?

Security Certificates. One way to check if a website has a security certificate is to look at the site’s URL address . Websites with URLs that begin with “https” rather than “http” are encrypted and are required to have a security certificate. Some Web browsers also show whether a site is encrypted.

How do you trust a security certificate?

Trust a Certificate Authority Using a Certificate File. 1. Right-click the certificate file and click “Properties.”. Click “Certificates” and the “Details” tab of the Certificate window.

How do you install a security certificate?

Once you’ve located it on your computer, you’ll need to apply a “Friendly name” to it, which is the quick name for identifying the certificate on your server. Store the certificate in the “Personal” store. Click OK to install the certificate. Your certificate should appear on the list.

What is a security certificate used for?

A security certificate is used as a means to provide the security level of a website to general visitors, Internet service providers (ISPs) and Web servers. A security certificate is also known as a digital certificate and as a Secure Socket Layer (SSL) certificate.