Fix ERR_SSL_PROTOCOL_ERROR by disabling QUIC Protocol By default, the QUIC protocol is enabled in Chrome. To disable it, copy chrome://flags/#enable-quic and paste it into the address bar, hit enter. On top of your screen, the Experimental QUIC Protocol would have been set as Default. Disable it and relaunch Chrome.
The most common reason for this ERR_SSL_PROTOCOL_ERROR is the incorrect date on your system. The date of your system should always be synched with the date of the website’s server. When the system date is not synced with the server date, then you might expect the ERR_SSL_Protocol_Error to occur.
The error email you see on the screen might be problematic depending on the browser you’re using, but it probably says something about SSL. This error prevents you from seeing the website. Surely you can check this problem in all browsers or in one of them. And what is SSL?
The following steps will resolve the ERR_SSL_PROTOCOL_ERROR issue if it is caused by genuine issues with your SSL certificate. So, the very first thing you need to do is run the SSL server test. There are free SSL server tests that can help your business determine what is causing the problem and how to fix it. Offers free SSL server reports from qualys.
But sometimes it’s convenient to run into an SSL error. Writes: This online store cannot provide a secure connection – ERR_SSL_PROTOCOL_ERROR. This is one of the most common mistakes when users browse secure services using Google Chrome. You may encounter many connection error messages when accessing a website through the Google Chrome browser.
How to solve the problem You may encounter an err_ssl protocol error and visit a web page from a very specific website, especially if you are using the Chrome browser. You usually get this type of error when the browser type, due to your technical configuration, cannot verify/validate the SSL certificate installed on the site.
Why am I getting this error Err_ssl_protocol_error?
If your main computer’s date is out of sync with the date of the server you normally try to access, you will encounter the ERR_SSL_PROTOCOL_ERROR issue in your current Chrome browser. The path to the problems you can find is very simple – just correct the system date so you can see the current date and then try to launch the website.
What does Err_ssl_protocol_error mean?
The most common error messages contain the error code “ERR_SSL_PROTOCOL_ERROR”, which informs the user of the main browser that some secure connection to the computer it is communicating with has failed.
What causes Err_ssl_protocol_error?
The most common known issues are: Incorrect consistent date or time for a specific system. The site or IP address is blocked by a firewall or malware. SSL/TLS connections are simply blocked by a firewall or antivirus solution.
How do I fix Err_ssl_protocol_error?
How to Fix “ERR_SSL_PROTOCOL_ERROR” in Google Chrome
- Check the system date.
- Clear browsing data.
- Clear the SSL status.
- Turn off the Chrome QUIC protocol.
- Check your antivirus settings.
- Check your firewall.
- Disable extensions.
- Customize your level of Internet security and data protection.
What does this mean ERR_SSL_PROTOCOL_ERROR?
If an SSL secured website is visited using the Google browser and the secure connection is definitely not working, the message “ERR_SSL_PROTOCOL_ERROR” is displayed. This is often how Chrome informs the user that there is a problem preventing our own required certificate exchange.
What is a Err_ssl_protocol_error?
Frequently Asked Questions err_ssl_protocol_error Err_ssl_protocol_error Whenever a user tries to visit an SSL secured website through Google Chrome and the secure connection fails, they may also encounter this error message ERR_SSL_PROTOCOL_ERROR because that website cannot provide the last secure connection .
Ermias is a tech writer with a passion for helping people solve Windows problems. He loves to write and share his knowledge with others in the hope that they can benefit from it. He’s been writing about technology and software since he was in college, and has been an avid Microsoft fan ever since he first used Windows 95.