How can I fix the SSL error "ERR SSL PROTOCOL ERROR"?

Google Chrome might display the following error: "ERR_SSL_PROTOCOL_ERROR - This site can’t provide a secure connection". Many reasons can cause this error. It can be a local incorrect system date or complex server issues.

Before you start troubleshooting, please try to load the page with a different browser or device to make sure that the error really only occurs in Chrome.

We suggest you go through the following possible reasons so you can discard them one by one:

Try accessing the link from another device.

Try accessing the link from a different internet connection (WiFi, mobile, cable). If you are in the network of your company, your company network might be the issue. Talk to your IT department and ask if they block our domain.

Try accessing the link from a different browser.

You might have and incorrect date and time local settings and this will fix the issue.

If this does not fix it please try step 2.

Clear the cache and cookies from Chrome. Press Cmd+Shift+Delete on a Mac or Ctrl+Shift+Delete on a PC and delete your browsing data.

If this does not fix it please try step 3.

If none of the above works, clearing your SSL State is the next thing you should try. Please follow the steps below to do so:

1. First, go to Customize and control Google Chrome, the three dots on the top-right corner.
   
2. Now click on Settings.
   
3. Scroll down the page and open the Advanced Settings.
   
4. Go to Open proxy settings by scrolling down or searching in the search bar.
   
5. A window named ‘Internet Properties’ will open up.
   
6. Go to the Content window and click on the Clear SSL State Button.
   

You can also test if our SSL certificate is update from the SSL Labs page.

In the Handshake Simulation section you can see all OS and browsers that the SSL certificate is compatible with.

You can also check if your domain yourdomain.qrplanet.com is black listed by any security vendor from the VirusTotal Service.