How To Fix Err_ssl_version_or_cipher_mismatch Error In Google Chrome Within Seconds?

While browsing different websites you may experience an err_ssl_version_or_cipher_mismatch error on your browser. This occurs when an unsecured connection is detected between the browser and the server.

Let us know how to fix err_ssl_version_or_cipher_mismatch error in google chrome with simple steps.

Such SSL errors are very common issues experienced by various internet users. Therefore try these simple solutions to fix err_ssl_version_or_cipher_mismatch unsupported protocol.


What Does This Mean Err_ssl_version_or_cipher_mismatch?

error code Err_ssl_version_or_cipher_mismatch Error

When you access any website on the internet, your browser will check the availability of an SSL certificate. This certificate allows a secure and encrypted connection between a browser and a website.

Nowadays, the availability of an SSL certificate is a must for all websites. This will help you to get an encrypted network while sharing your sensitive data or information. 

Showing an err_ssl_version_or_cipher_mismatch error on your window is the way that your browser will protect your network. 

So be careful while you are browsing any website that shows this error because sometimes the site might be using outdated security protocols that may be harmful to your device.


Reasons For Having Error Code: err_ssl_version_or_cipher_mismatch

Getting this err_ssl_version_or_cipher_mismatch in windows 10 is due to many reasons. Most of the time this appears on your screen because of old operating systems. 

Other Reasons For Err_ssl_version_or_cipher_mismatch Are:

  • There May Be A Poor Internet Connection.
  • Desired Websites May Be Blocked By A Strong Firewall
  • Caches And Browsing History Not Removed
  • Excessive Useless Extensions Installed On Your Browser
  • Having Quick UDP Internet Connection

Solutions For How To Fix err_ssl_version_or_cipher_mismatch Error In Few Seconds

There are many methods on the internet to fix err_ssl_version_or_cipher_mismatch error but do they really work?

Here are the six effective methods that will definitely help you to get rid of this error code:err_ssl_version_or_cipher_mismatch.

No worry if you are a beginner and did not know about such technical tricks. Follow these solutions on how to solve err_ssl_version_or_cipher_mismatch easily and effectively.

Solution 1: First Thourgly Inspect Your SSL Certificate 

ssl error certificate

This is the very step that you should definitely check on your browser. To fix err_ssl_version_or_cipher_mismatch you may check your SSL or TLS because if these certificates are outdated or expired then high chance to get this error. 

For checking these SSL certificates you can log in to SSL Lab. This software will help you in finding the trouble or detect any error occur in the server. 

ssl lab

Solution 2: Cross-Check Your Internet Connection

If you are having a poor internet connection then having an err_ssl_version_or_cipher_mismatch error is quite obvious. 

To get rid of this you need to check your network connection. Contact your internet service provider or check your router for having a better network.

This may be a very simple and proven solution to fix err_ssl_version_or_cipher_mismatch quickly. Therefore, try this solution which is very easy to do.

Solution 3: Try To Enable Your Old Browsers

The updated version of browsers is using TLS 1.3 version by default. To fix err_ssl_version_or_cipher_mismatch you have to update your outdated browser version to 1.3. 

If You Are Using Chrome Browser:

tls ssl error

Simply open a new tab and insert chrome://flags in the search bar. Find TLS there and the result will show with the latest version of TLS 1.3 that you can easily download.

If You Are Using Firefox Browser

Similarly, open a new tab and search about:config in the search bar. Select the option to accept the risk and then insert security.tls in the search bar.

This is also an effective method to solve err_ssl_version_or_cipher_mismatch error without knowing any technical method.

Solution 4: Deactivate Your Firewall Or Antivirus Programs

Having a poor configuration of firewall or antivirus software may be the reason for having err_ssl_version_or_cipher_mismatch error. 

This might be a risky method that you apply to fix err_ssl_version_or_cipher_mismatch error. Just go to the settings of your firewall programs and set the default mode.

For Antivirus software, they have an inbuild SSL scanning option. All you need to do is to disable this setting so that it can automatically scan this error and try to resolve it at its own end.

These changing options may vary from antivirus to antivirus, so you can navigate on your own and change these settings. Remember to do this change at your own risk because sometimes this may affect your browser security.

Solution 5: Remove Unneeded Extensions From Browsers

browsing history

This is the easiest method to fix err_ssl_version_or_cipher_mismatch error. 

There are many extra add-on extensions that we install on our browsers. Usually, we do not use all of them frequently while working. 

Therefore, it is recommended to uninstall all of them if not required as much. 

Solution 6: Check Out RC4 Cipher Suite

This is another important solution that is a little bit technical to understand. 

As per the Google documentation update, this RC4 cipher suite has been removed from Chrome’s 48 version. This solution is adopted by many large enterprise deployments that may require RC4. 

Because in these enterprises are everything will take more time upgrade and update with more complex configuration. This is the main reason why they use RC4 in their organization.

All reputed browsing extensions will recommend disabling you this RC4. If you want to check your latest Cipher configuration then you can sign up for the SSL Labs tool.


How To Fix Err_ssl_version_or_cipher_mismatch Error If Above Solutions Didn’t Work?

So these are the solutions that are able to fix err_ssl_version_or_cipher_mismatch error in google chrome.

Sometimes you may be disappointed while applying these solutions. Our recommendation to get rid of such a situation is to re-install your existing browser. 

If you are using an operating system like Windows 7, XP, or Vista then there is a high chance to experience such kind of error on your browser. 

So always update or upgrade your browser that will help you in reducing the risk of having error code:err_ssl_version_or_cipher_mismatch for the future. 

Final Verdict

These are the possible solutions on how to fix err_ssl_version_or_cipher_mismatch error in google chrome or other browsers. You can try these methods easily without hunting for lots of tutorials on YouTube. Follow these steps and please let us know which solution will help you in solving err_ssl_version_or_cipher_mismatch error. 

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