How to Fix ERR_SSL_PROTOCOL_ERROR? [10 Methods]

What does the ERR_SSL_PROTOCOL_ERROR: This site can’t provide a secure connection mean?

ERR_SSL_PROTOCOL_ERROR means there is a common SSL/TLS-related issue that occurs when the browser is unable to establish an SSL-protected Website. When this error occurs, you may see a message like “This site can’t provide a secure connection” or “ERR_SSL_PROTOCOL_ERROR” in their browser.

How to Fix the ERR_SSL_PROTOCOL_ERROR?

Now that we’ve identified the common causes of the ERR_SSL_PROTOCOL_ERROR error, let’s discuss how to fix it in the easiest way possible.

1. Purge browser cache

2. Clear your SSL state

3. Check Your SSL Certificate’s Validity

4. Adjust Your SSL/TLS Protocol Version

5. Disable Antivirus or Firewall Temporarily

6. Check the system date and time and update them

7. Delete the Host file

8. Disable Extensions

9. Disable Google Chrome’s QUIC Protocol

10. Contact web hosting provider