How to Fix Google Chrome Error – ERR_SSL_PROTOCOL_ERROR
Err_ssl_protocol_error mean: What Does it Mean and How to Solve it?
Why Google Chrome Displaying ERR_SSL_PROTOCOL_ERROR?
Reasons behind ERR_SSL_PROTOCOL_ERROR Chrome
- Invalid System Time
- Firewall blocking the website or IP address
- Website could be blacklisted in the Hosts file
- Browser extension blocking the website
- Cookies and Cache not cleared for a long time
How to Fix “ERR_SSL_PROTOCOL_ERROR Chrome”?
Solution #1 Disable QUIC Protocol
- In your chrome browser URL, type chrome://flags/#enable-quic and hit enter.
- Experimental QUIC protocol would probably have been set as Default. Change it to Disabled.
- Now go to the bottom of the page and click on RELAUNCH NOW
Solution #2 Remove the Hosts file
- Press Windows + R, type in C:\Windows\System32\drivers\etc & hit enter button
- You will find a file named hosts. Delete it.
Solution #3 Clear SSL State
- Go to Start Menu > Control Panel > Network and Internet > Network and Sharing Center
- Now click on Internet Options from the bottom-left corner.
- A new Internet Properties window will appear.
- Now move to the Content tab and click on Clear SSL State.
Again, restart Chrome and check err ssl protocol error if net::ERR_SSL_PROTOCOL_ERROR is still there.
Solution #4 Update the System Time
Solution #5 Check Firewall Settings
Solution #6 Remove or Disable Extension
Solution #7 Clear Cache and Cookies
Whether you’re getting this SSL connection error on Chrome or not, you should clear the cache and cookies of your browser on a regular basis. To do so in a browser, type Ctrl + Shift + Delete and delete your cache and cookies.
We hope you’ve finally got rid of ERR_SSL_PROTOCOL_ERROR in Chrome.