err ssl protocol error – Fix ERR_SSL_PROTOCOL_ERROR on Chrome

06/23/2019 by admin with 0 comments


ERR SSL PROTOCOL ERROR is commonly caused by an SSL certificate that is either expired or missing. Additionally, a mismatch in the encryption protocols used by the server and client can trigger the error. In some cases, the error may occur if the website’s SSL certificate has been revoked.

The ERR_SSL_PROTOCOL_ERROR typically occurs when a website’s SSL certificate is misconfigured. This error message is displayed when a browser is unable to establish a secure connection with an SSL-protected website.

ERR SSL PROTOCOL ERROR notification means that your browser is incompatible with the SSL protocol that the website is using. As a result, you won’t be able to access the website. This error can be specific to the Chrome browser, as it comes pre-installed with the SSL protocol that can cause the “ERR SSL PROTOCOL ERROR” problem.

How to Solve SSL Certificate Error on Google Chrome?

Sometimes when you are browsing the internet using Chrome, you will start getting the error saying can’t provide a secure connection. Further, you will see the error code as ERR_SSL_PROTOCOL_ERROR. In such cases, you can try one of the following methods to make remove this error and start during the internet again. 

You are at the correct place if the website you are considering does not load a secure connection and you get an error such as ERR_SSL_PROTOCOL_ERROR.

#1 Check date and time 

A date mismatch on your system is the most typical cause of ERR_SSL_PROTOCOL_ERROR. Your computer’s date should always be in sync with the server’s date. If the date and time on your computer or mobile device are incorrect, your Chrome browser may display an ERR_SSL_PROTOCOL_ERROR error. Please double-check and make the necessary adjustments on your PC.

The first reason why most of the people will be facing this problem might be due to the wrong date and time of your system. You can simply check it from the taskbar and change it if the clock is not in time.  


#2 Clear browsing data 

The other reason why you might be seeing this error is because of the browsing data. You can simply clear your history and the cookies and it will be solved. Sometimes, the browser loads the data from the cache memory and hence you might be seeing the error. You can simply press Ctrl + shift + delete in chrome and clear the data.  


#3 Clear SSL State 

This might be a little complicated, you will have to open the Chrome and hit the 3 dots that are shown on the top right corner. You will see the settings option. Click on it and scroll down to the advanced options. When you have opened the advanced options, you will see “Open proxy settings” button. Click on it and you will see a popup there. From there, you can simply click on clear SSL state and you will be all done with clearing the SSL state.  


#4 Disable QUIC 

Google has various experimental features that are turned on which might show some errors. You can simply go to chrome and paste the following URL without quotes on the address bar “chrome://flags/#enable-quick”. There you will see the option where the EXPERIMENTAL QUIC PROTOCOL will be enabled. You can simply disable it from the drop down many. 


#5 Antivirus and Firewall 

Moreover, if none of these seems to be working, you can check out the antivirus settings. You can go to settings in your antivirus and make sure there isn’t any blocking issue with the SSL. Also, you can simply scan your computer just to be sure. In this way, if there are some viruses that causing the problem, they will be gone/  


#6 Disable extensions 

The last thing that you can do is disable all the extensions that are present in your Chrome browser. You can go to settings and there you will see an option for extensions. You can reactive them one by one if the issue is solved.  


#7 Set Internet security and privacy to medium 

There are some of the security measures being taken to ensure internet security. You can search INTERNET PROPERTIES from your windows search and open it. There you will see the option for internet security and privacy. If it is high, you can set it to medium instead.  


Make sure you restart your browser and some cases computer to ensure the problem is fixed. 

Hope this guide will solve your err ssl protocol error on Google chrome browser.

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