How to fix ERR_SSL_VERSION_OR_CIPHER_MISMATCH Error in Chrome

Google Chrome is arguably the fastest browser and most used browser worldwide. However, you may encounter the ERR_SSL_VERSION_OR_CIPHER_MISMATCH Error when browsing. You may notice that the error may appear on one website which you may need to access. In this step by step tutorial, you will learn all the methods to fix the ERR_SSL_VERSION_OR_CIPHER_MISMATCH Error in Chrome.

Note: Some methods mentioned in this tutorial may lower your overall security and privacy. You should start with the first methods and ONLY proceed if your issue is not resolved. It is recommended to reverse the actions done by the methods if your issue persists!

Method #1: Clear the SSL Status

Step 1

You need to move to the top right section of the Chrome browser and hit the ‘three dots.’ Select the ‘Settings’ option to open the browser settings.

Step 2

Search ‘proxy’ on the search bar at the top then select the ‘Open proxy settings’ option in the search results.

Step 3

Under Internet Properties, select ‘Content’ on the top bar as illustrated below. You now need to click ‘Clear SSL state’ button. Restart the Google Chrome browser then check to see if the error is resolved.  

Method #2: Disable the QUIC Protocol

Step 1

Open a new Chrome tab then copy and paste the address below into the address bar

chrome://flags/#enable-quic

Step 2

Click on the drop-down menu beside the ‘Experimental QUIC protocol’ result. Choose disable as shown in the image below:

Step 3

Restart your Chrome browser then check to see if the issue is resolved.

Method #3: Reduce your Web Protection settings on your Antivirus

Note: This method lowers your security level, therefore, making the system vulnerable to malware attack. Perform this method if you completely know what you are doing. It is strongly recommended to return the security levels to default later.

Note: There is a broad range of antivirus available worldwide. Therefore, we will not discuss any particular steps under this method. You can find relevant tutorials no how to disable web protection on a particular antivirus on the internet.

Method #4: Enable all versions of SSL/TLS

Note: This method involves allowing unsafe and outdated security protocols on your web browser. Older TLS and SSL versions contain vulnerabilities that may be used to compromise your system. You should first consider calling the owner of the site you cannot access and advise them to update their security protocols. However, since updating the TLS and SSL versions by the site owner may take time, you can use this method at your own risk.

Step 1

You need to redo Step 1 and Step 2 in Method #1.

Step 2

Navigate to the ‘Advanced’ tab at the top bar. Under settings, find and check ALL the SSL and TLS versions. Click on ‘Apply’ then ‘OK’ to save the changes made.

Restart your Browser then check to see if the issue is resolved.

Conclusion

You can now fix the ERR_SSL_VERSION_OR_CIPHER_MISMATCH Error in the Chrome browser. Which method worked best for you? Please let us know in the comments section below.