10 Ways to Fix Err_SSL_Version_Or_Cipher_Mismatch Error


Are you facing difficulties surfing websites from Google Chrome? If you are, then you have found the right place for yourself. Today, we have covered extensively about the Err_SSL_Version_Or_Cipher_Mismatch error which is becoming common in Google Chrome day by day.

err_ssl_version_or_cipher_mismatch error

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It is basically a miscommunication indicator which tells that the web browser you are using and the web server is unable to exchange details.
We have handpicked 10 of the most viable solutions for Err_SSL_Version_Or_Cipher_Mismatch error to make sure your browser is error free!

What is SSL?

SSL (or Secure Sockets Layer) is a security measure to establish encrypted (or coded) links between a web server and a browser in an online transaction.

In layman’s terms, SSL ensures that all data exchanged between the web server and browser remains protected and secure. An SSL certificate is required to produce SSL connection. If you want to set up Node.Js SSL Certificate, click here!

Check Out: 5 Ways to Fix Your Connection is Not Private in Chrome

An SSL Certificate contains your domain name, the IP address and other information viable to use for other trusted parties. Whenever a browser tries to connect with an SSL secured website, it will first get the site’s SSL Certificate to check if it’s still usable.

How to Fix Fix Err_SSL_Version_Or_Cipher_Mismatch

There are several methods to check this error. However only a few are as easy to follow and viable as the 10 mentioned below. We handpicked these methods to make sure the error is weeded out from the roots.

Method 1: Disabling SSL/HTTPS Scanning from Antivirus

Anti-Virus software these days provides a tool called SSL/HTTPS Scanning.  It essentially makes a secure copy of details that the browser can give to the web server.

In simpler terms, it doesn’t let Google Chrome provide built-in security which in turn causes Err_SSL_Version_Or_Cipher_Mismatch error. Before starting, you should also if your Internet is working fine and you don’t have any DNS Probe Finished NXDomain type errors present.

1. At first, Open the Antivirus program (Avast in my case) installed on your device.

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2. Then Go to Settings.

Avast Settings
Avast Settings

3. Afterward, choose Components from the left panel. Then, click Customize next to Web Shield.

Customize Webshield

4. Finally, Disable/Uncheck the option for SSL/HTTPS Scanning.

Disable HTTPS Scanning

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Method 2: Correcting Date and Time-zone settings

Date and Time-zone are exchanged with the web servers to make sure authentic users are going to surf their site. Since Date is supposed to be the same for each user, they cross-check it with their database. In case of improper Date and Time settings, the SSL verification will fail, and Err_SSL_Version_Or_Cipher_Mismatch error will occur.

1. At first, type “Settings” in the Windows search bar to Open Settings.


2. Then select Time & Language from the menu.

Time & Language

3. Then we recommend turning Set Time Automatically and Set Time-Zone Automatically to On.

Update Date & Time

4. On the other hand, you can change the date and time manually by selecting Change.

Method 3: Disable the QUIC protocol flag

1. At First, Open Google Chrome and type chrome://flags in the search bar.

Type Chrome Flags

2. Afterward, search for Experimental QUIC protocol in the search bar.

3. Then click on Disabled from the option.

Disable Experimental QUIC Protocol

4. Finally, Restart Google Chrome to fix Err_SSL_Version_Or_Cipher_Mismatch Chrome Error.

Method 4: Dumping SSL Certificate Cache

1. At first, Press Windows Key + R then type inetcpl.cpl

Type inetcpl

2. Then Switch to Content tab, then click on Clear SSL state.

Clear SSL State

3. Afterward, click on OK to dump the cache.

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4. After that, Click Apply to save the changes.

Click Apply

5. Finally, Reboot your PC.

Method 5: Using the Official Chrome Clean-Up Tool

The official Google Chrome Cleanup Tool scans and removes software that may cause errors with chrome such as unknown crashes, unusual toolbars, random start-up pages, unexpected ads you can’t close, or the Err_SSL_Version_Or_Cipher_Mismatch error. You can download the tool for here.

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Method 6: Updating Chrome and Database

Google Chrome is an application that can boast an active community and developers group.  As such, there are plenty of fixes and patches that are released on a constant basis. To make sure your Chrome is updated:

1. At first, click the Chrome Menu.

Chrome Menu

2. Then press on Help and select About Google Chrome. Soon, Chrome will automatically check for updates. If Chrome is not checking for updates automatically then try this.

About Google Chrome

3. Finally, Click Relaunch to apply any available update.

Updating Google Chrome

Method 7: Removing Hindering Extensions

Sometimes infected chrome extensions hinder the information exchange between the browser and the web servers causing. Also, the website’s security scripts might consider them malware and thus prohibit your access. To deal with them:

1. At First, Open Google Chrome and type chrome://extensions/ in the search bar.

Type Chrome Extensions

2. Then Select all the suspicious and unknown browser extensions.


3. Now Click on Delete button to remove all the suspicious extensions in one go.

This can rectify Err_SSL_Version_Or_Cipher_Mismatch

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Method 8: Use Malwarebytes to check for other Malware

It is possible that some outer malware is responsible for breaching the security scripts of some websites. It is next to impossible to weed out these viruses manually. They replicate at a breakneck speed and can be anywhere on your device. We strongly recommend Malwarebytes to take all of them out in one stroke.

1. First, download the software from this link and run it.


2. Then allow it to Scan your device for Malware and Viruses.

Start Scan

3. Finally, Click on Quarantine All to remove all of them.

And Err_SSL_Version_Or_Cipher_Mismatch

Quarantine All

Method 9: Fix damaged registries through CCleaner

CCleaner is a cutting-edge solution to set back all the damaged or changed customization of your registries. Windows Registry can be called the manager of your Windows OS. Soon, it saves and organizes all the settings and customization of each user.

Download CCleaner

It is possible that Malware may be responsible for changing these settings which may be restricting the exchange of information with web servers.

Run CCleaner to automatically fix the registries to standard settings. It’s free and powerful. No reason not to use it!

Method 10: Last Resort – Reinstalling Chrome Browser

1. At First, Go to Control Panel and open Programs and Features.

Programs and Features

2. Then Search for Google Chrome and Right-Click on it.

3. Afterward, select Uninstall and follow the Uninstall window’s instructions.

Uninstall Google Chrome

4. Finally, Download the latest Chrome build from here.

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Final Words

That’s it for today! We hope this guide was helpful in your venture to fix the Err_SSL_Version_Or_Cipher_Mismatch error. In case you are facing any difficulty in any step, then make sure to hit us up in the comments section below. Sometimes, the error might persist because of any random Windows Error. We hope it helped!