FIX: Err_ssl_protocol_error in Windows PC

by Ivan Jenic
Ivan Jenic
Ivan Jenic
Troubleshooting Expert
Passionate about all elements related to Windows and combined with his innate curiosity, Ivan has delved deep into understanding this operating system, with a specialization in drivers and... read more
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Many Windows 10, Windows 8.1 users have stumbled upon the error code err_ssl_protocol_error while trying to access specific websites on Google Chrome. This issue can be solved very easily by applying the steps listed below specifically compiled for fixing the “err_ssl_protocol_error” error code.

Also, while trying to refresh the page seems to help in the short term (because eventually it will get your website up and running), we will see what version of Google Chrome your need to update to in order to fix error code “err_ssl_protocol_error” once and for all.

Fix ERR_SSL_PROTOCOL_ERROR in Windows 8.1 or Windows 10

How can I fix err_ssl_protocol_error in Windows PC?

  1. Update your Chrome browser
  2. Disable Chrome QUIC Protocol
  3. Disable Chrome extensions
  4. Clear SSL State

1. Update your Chrome browser

Left-click or tap on the link posted below in order to access the Google Chrome website and download the latest version of Chrome from there.
NOTE: The version of Google Chrome you need to download is 5.0.342.9 or the latest one you can find on their website.

Now after you downloaded the new version of Google Chrome application you will need to install it by following the instructions on the screen.

Now, close all Google Chrome windows you have opened.

Reboot your Windows 8.1 or Windows 10 device.

Try opening the Google Chrome application after the operating system is up and running.

Now you should have everything working without having to deal with the error code “err_ssl_protocol_error” anymore.

2. Disable Chrome QUIC Protocol

Many users confirmed that turning off the Chrome QUIC Protocol help them fix the problem. Here are the steps to follow:

  1. Enter the following command in a new browser tab:  chrome://flags/#enable-quic
  2. Now, use the drop-down menu to disable the feature, as shown in the screenshot belowdisable Experimental QUIC protocol

3. Disable Chrome extensions

In rare cases, Chrome extensions may trigger the annoying Err_ssl_protocol_error. To rule out this possible reason off your list, go ahead and disable all your browser extensions and test if the error persists. If this is not the case, this means that one of your browser extensions is the culprit. Enable your browser extensions one by one in order to identify and uninstall the faulty extensions.

4. Clear SSL State

Clearing your SSL State is one of the quickest ways to fix your browser issues. These are the steps to follow:

  1. Launch Control Panel > go to Network and Internet
  2. Navigate to Network and Sharing CenterNetwork and Sharing Center
  3. Select Internet Options > go to the Content tab > hit the Clear SSL state buttonclear SSL state
  4. Restart your computer > launch Chrome and check if the problem persists.

There you go, I am quite sure it wasn’t that hard to get rid of the error code “err_ssl_protocol_error” from your Windows 8.1 or Windows 10 device. If you have any other questions in mind about this guide, you can contact us by writing in the comments section below.

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