The err_ssl_protocol_error in WordPress also shows up when the browser doesn’t trust the approving company of your SSL certificate. What it means is that the certificate authority isn’t on the browser’s list of trusted SSL certificate approvers or providers.
One of the odd complications that many users commonly encounter is that they encounter an SSL error when trying to finally log in to WordPress. In this article, you will learn how to troubleshoot SSL without the ability to login and the WordPress admin (or control panel). So, let’s take a look at all the problems related to SSL in WordPress and how to solve them. SSL certification
Three Ways to Fix ERR_SSL_PROTOCOL_ERROR in WordPress 1 Solution 1: Enable HTTPS on your WordPress site. It may seem obvious, but we humans tend to accept such small things for a while. and 2 Solution 2: Redirect all URLs to HTTPS. c Solution 3 – Check if your awesome SSL certificate is properly installed.
Among them, an error that users often encounter is the SSL security error “This website cannot provide a secure connection”, also known as “ERR_SSL_PROTOCOL_ERROR”. Usually this concept of an SSL error goes away on its own immediately after a page refresh, but sometimes it doesn’t appear and reappears.
Sometimes, after the temporary DNS files have propagated and the website is actually viewed in the browser, the error can only appear because the browser’s memory cache has an outdated version of the SSL certificate. To resolve this issue, try clearing the SSL cache state. After that, restart your browser and sign in to websites again.
Why am I getting this error Err_ssl_protocol_error?
If the date on your computer does not really match the wedding anniversary of the server you are trying to access, you will encounter an ERR_SSL_PROTOCOL_ERROR error on your Chrome mobile browser. The solution to this problem can be simple – just set the system date and time to the current period, and then try to open our own website.
What does Err_ssl_protocol_error mean?
The most common error messages consist of the “ERR_SSL_PROTOCOL_ERROR” error code, which informs the browser that the user’s secure connection to the newly connected server has failed.
What causes Err_ssl_protocol_error?
One of the most common known causes is the application: the system date or time has always been incorrect. Website or IP address blocked by antivirus software or program. SSL/TLS Internet connections are being blocked by a firewall or antivirus program.
How do I fix Err_ssl_protocol_error?
How to fix “ERR_SSL_PROTOCOL_ERROR” for Google Chrome
- Check the system date.
- Clear browsing data.
- Clear the SSL status.
- Disable QUIC from the Chrome protocol.
- Check your antivirus settings.
- Check your firewall.
- Disable extensions.
- Set your privacy and security levels online.
What does this mean ERR_SSL_PROTOCOL_ERROR?
When you access an SSL secured website using the Google browser and the blocking connection fails, this special message “ERR_SSL_PROTOCOL_ERROR” is displayed. In this way, Chrome notifies the user that there is a problem preventing certificate exchange in general.
What is a Err_ssl_protocol_error?
ERR_SSL_PROTOCOL_ERROR Frequently Asked Questions In simple terms, when a user tries to access an SSL secured website through Google Chrome and the secure connection fails, this skill error message is displayed.

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.