Fix Error 107 (net::ERR_SSL_PROTOCOL_ERROR) SSL protocol error: Error 107 is generally a generic error which is related to access to https sites from the browser. There can be several causes for the HTTPS traffic getting blocked by your computer. Some of these reasons relate to the proxy server rule, local firewall, parental lock system, or DMZ/edge firewall rule.

Before proceeding to look at solutions to fix error 107, you need to ensure that you have installed all updates for your Windows system and also have the latest Chrome browser. Older versions of Google Chrome are known to give error 107 at random intervals.

Fix Error 107 (net::ERR_SSL_PROTOCOL_ERROR) SSL protocol error

It is an “SSL connection error”, which basically means your browser is not able to create a secure connection to the server. The following error is displayed:

Contents

  • Fix Error 107 (net::ERR_SSL_PROTOCOL_ERROR) SSL protocol error
  • METHOD 1: Use SSL 1.0, SSL 2.0 and Use SSL 3.0
  • METHOD 2: Allow Permission for System
  • METHOD 3: Clear SSL State
  • METHOD 4: Disable Experimental QUIC protocol
  • METHOD 5: Set privacy level to medium

Error 107 (net::ERR_SSL_PROTOCOL_ERROR): SSL protocol error

The reason might be with the server or your computer not having a client authentication certificate that is required to make a secure connection with the server.

To resolve this issue, follow these steps:

METHOD 1: Use SSL 1.0, SSL 2.0 and Use SSL 3.0

1)Open chrome browser and go to setting menu.

2)In setting menu, scroll to the bottom and click on “Show advanced settings.“

3)Again scroll till you find “Change proxy settings” under Network and click it.

4)Go to the Advanced tab, scroll down to security and Check the following boxes: Use SSL 1.0, SSL 2.0 and Use SSL 3.0

5)Click apply and again click on Ok.

6)Restart the browser

OR

1)First, go to Control Panel and click on the Network and Internet.

2)Now click on the Network and Sharing Center and then click on the Internet Options.

3)In the Internet Properties window, go to the Advanced tab, scroll down to security & check the following: Use SSL 1.0, SSL 2.0 and Use SSL 3.0

4)Click apply and again click on Ok.

METHOD 2: Allow Permission for System

1)Open your file explorer and go to the following location: C:\Windows\System32\drivers\etc\

2)Now you will see the host file, right click on the host file and select Properties from below menu.

3)After that, click on the System and check all the Permission for System “Allow” boxes and uncheck all the “Deny” boxes.

4)Now click OK and then again OK button.

METHOD 3: Clear SSL State

3)In the Internet Properties window, click on the Content from the top menu bar.

4)Finally, click on the Clear SSL State button and then click the Apply and then OK button.

METHOD 4: Disable Experimental QUIC protocol

1)Open your Chrome browser and type the below code and hit Enter from your keyboard.

Chrome://flags/#enable-quic

2)Now find the Experimental QUIC protocol and select the Disable option from the drop-down menu.

3)And restart your Google chrome browser and check the error page.

METHOD 5: Set privacy level to medium

1)Go to Control Panel then Network and Internet.

2)Now click on the Internet Option and then click on the Security and set the level medium.

3)Again click on the Privacy from the top menu bar and set the privacy level medium.

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That’s it, I think you may have finally resolved Error 107 (net::ERR_SSL_PROTOCOL_ERROR) SSL protocol error via any of the above-listed methods. If you still have any queries regarding this post feel free to ask them in the comments section.