Zone Desire
Browsers

How to Fix ERR_SSL_PROTOCOL_ERROR

By Ethan Walker · About Zone Desire

Browser SSL protocol troubleshooting
ERR_SSL_PROTOCOL_ERROR

Quick answer

ERR_SSL_PROTOCOL_ERROR means the browser and the website could not create a secure connection. Check date and time, clear the SSL state, disable QUIC and extensions, and try again; site owners should check their SSL certificate and TLS settings.

What does “ERR_SSL_PROTOCOL_ERROR” mean?

The secure handshake (TLS) between browser and server failed.

What causes it?

  • Wrong date and time
  • Antivirus or firewall intercepting HTTPS
  • Outdated browser
  • Server TLS misconfiguration

Steps to try

Stop when the issue is resolved.

  1. Set date and time to automatic.
  2. Update the browser.
  3. Windows: Internet Options → Content → Clear SSL state.
  4. Disable browser extensions one by one.
  5. Turn off antivirus HTTPS scanning and retry.

Need more support? Check the official help: Google Chrome Help

FAQs

Does this error mean the site is hacked?

No. It means the secure connection could not start.

Is it only a Chrome problem?

No. Edge and other browsers show similar messages.