A Complete Guide on ERR_SSL_PROTOCOL_ERROR

What Does ERR_SSL_PROTOCOL_ERROR Mean?

ERR_SSL_PROTOCOL_ERROR is an error message that Chrome shows when a website has a problem with the SSL/TLS certificate. SSL/TLS is the protocol that encrypts data between your browser and the web server, and it’s essential for secure communication. In this article, we will guide you on how to fix ERR_SSL_PROTOCOL_ERROR in Chrome.

Before we proceed with the solutions, let’s take a quick look at the reasons that cause this error.

Causes of ERR_SSL_PROTOCOL_ERROR

• Invalid SSL/TLS Certificate: An invalid SSL/TLS certificate can cause the ERR_SSL_PROTOCOL_ERROR message to appear.
• Browser Extension Conflicts: Sometimes, browser extensions can cause conflicts with SSL/TLS certificates.
• Incorrect Date and Time: Incorrect date and time settings on your device can also cause the ERR_SSL_PROTOCOL_ERROR error message to appear.
• Firewall or Antivirus Issues: Firewall or antivirus software can sometimes interfere with SSL/TLS connections.

Now, let’s dive into the solutions:

Step-by-Step Guide to Resolve ERR_SSL_PROTOCOL_ERROR

Solution 1: Check the SSL/TLS Certificate

The first step in fixing ERR_SSL_PROTOCOL_ERROR is to check the SSL/TLS certificate. To do this, follow these steps:

• Step 1: Click on the lock icon next to the URL in the address bar.
• Step 2: Click on the Certificate (valid) button.
• Step 3: Check the information in the Details tab to see if the certificate is valid.

If the certificate is invalid, you will need to contact the website owner to fix the issue.

Solution 2: Clear Browsing Data

Clearing your browsing data can sometimes fix ERR_SSL_PROTOCOL_ERROR. To do this, follow these steps:

• Step 1: Click on the three dots in the top right corner of Chrome.
• Step 2: Click on More tools > Clear browsing data.
• Step 3: Choose the time range and the types of data you want to clear.
• Step 4: Click on Clear data.

Solution 3: Disable Browser Extensions

Browser extensions can sometimes cause conflicts with SSL/TLS certificates. To fix this issue, you can disable your browser extensions temporarily. To do this, follow these steps:

• Step 1: Click on the three dots in the top right corner of Chrome.
• Step 2: Click on More tools > Extensions.
• Step 3: Disable all of your extensions by clicking on the toggle switch next to each one.
• Step 4: Close and reopen Chrome.

Solution 4: Check Date and Time Settings

Incorrect date and time settings on your device can cause the ERR_SSL_PROTOCOL_ERROR error message to appear. To fix this issue, follow these steps:

• Step 1: Click on the date and time in the bottom right corner of your screen.
• Step 2: Click on the Date and time settings.
• Step 3: Turn on the Set time automatically option.

Solution 5: Disable Firewall or Antivirus Software

Firewall or antivirus software can sometimes interfere with SSL/TLS connections. To fix this issue, you can try disabling your firewall or antivirus software temporarily. To do this, follow these steps:

• Step 1: Open the Start menu and type Windows Security.
• Step 2: Click on Windows Security.
• Step 3: Click on Firewall and network protection.
• Step 4: Turn off the firewall by clicking on the toggle switch.

If disabling the firewall or antivirus software fixes the issue, you must contact the software provider for further assistance.

Conclusion

ERR_SSL_PROTOCOL_ERROR in Chrome can be a frustrating error that prevents you from accessing secure websites. However, there are several solutions that you can try to fix this error, including checking the SSL/TLS certificate, clearing browsing data, disabling browser extensions, checking date and time settings, and disabling the firewall or antivirus software. If none of these solutions work, you may need to contact the website owner or your software provider for further assistance. By following these steps, you can quickly and easily fix ERR_SSL_PROTOCOL_ERROR in Chrome and get back to browsing the web safely and securely.