Clear SSL State Chrome 2020


You’ve probably seen this error on the Chrome browser while trying to access a website. When you refresh a webpage, this issue usually goes away. However, there are times when a more comprehensive solution is required rather than a simple page refresh. In this tutorial, we’ll teach you how to fix the ERR SSL PROTOCOL ERROR error in Google Chrome. Continue reading…

Please note that if you are experiencing this error on your own website, you will need to execute a different remedy on a web server.

The issue usually happens when you visit a website that is unable to provide a secure connection. ERR SSL PROTOCOL ERROR. The mistake appears to be as follows:



There are several ways to resolve this error in the browser, and the instructions are listed below.

  • Check your system’s date and time.
  • Clear the cache and cookies in your browser.
  • Turn off the QUIC protocol.
  • Make sure your antivirus settings are correct.
  • Delete the SSL state
  • To fix the ERR SSL PROTOCOL ERROR on the Chrome browser, follow the instructions outlined above in detail. The detailed steps are as follows…

Check your system’s date and time.
The date and time on your computer are synced with the date and time on your server, as we all know. Our engineering team has noticed that anytime there is a date and time mismatch, the Chrome browser throws this message numerous times.

To fix the ERR SSL PROTOCOL ERROR, check sure your computer’s date and time are configured correctly.


  • Clear the cache and cookies in your browser.
  • Every time you view a webpage, your browser saves a copy of it. This is the cache memory mechanism. When you access the website, any changes made on the website server
  • may not be reflected on the client-side. To remove your cache and cookies, go to your browser’s settings. It has been found that deleting the cache and cookies resolves the ERR


  • Turn off the QUIC protocol.
  • The QUIC protocol stands for Quick UDP Internet Connection. This is done to shorten the amount of time it takes for a client to complete a request. QUIC was turned on by
  • default, and it was discovered that deactivating it fixed the problem.


To disable the QUIC protocol, follow these steps.

  • In the URL bar, type chrome:/flags/#enable-quic.
  • Select Disable from the Experimental QUIC protocol option.

Delete the SSL state
In some cases, clearing the SSL state can assist to resolve the ERR SSL PROTOCOL ERROR problem.

The steps to clear the SSL status are as follows:

  • On your computer, press Windows+ R.
  • Type inetcpl.cpl to open the internet properties window, then go to the content tab and click CLEAR SSL STATE to fix the problem.

Check the settings of your antivirus software.
Antivirus software might sometimes be the source of the ERR SSL PROTOCOL ERROR.

The antivirus’s job is to check the website for dangerous material. Occasionally, policies are specified to block the lesser version of the SSL/TLS protocol, resulting in the error. Simply turn off your antivirus and browse your website to double-check.

Server-side fix for ERR SSL PROTOCOL ERROR
If you are the owner of a website, we have a unique guide that can assist you in resolving this issue. In this scenario, you must correct server-side settings.

The procedures to fix ERR SSL PROTOCOL ERROR on the server are listed below.

  • Verify that the SSL certificate is appropriately installed. For the same, use SSL Checker.
  • Check that the server certificate matches the private key generated when the CSR was created. The SSL certificate key matcher can be used to verify this.
  • Check the list of protocols configured on the server to see if they are compatible with Chrome. You may find out more about it here.
  • Check to see if the port is open and accepting HTTPS requests.
  • Check to see if the public and private keys are the same.

The methods outlined above are generally the same regardless of the type of webserver you use. If these steps assist, please leave a comment below. Please contact us if you require any additional assistance.