How To Fix ‘ERR SSL VERSION OR CIPHER MISMATCH’ Error

The ERR SSL VERSION OR CIPHER MISMATCH message can appear on all web browsers, including Chrome, Firefox, Edge Browser, etc. It means that the website you are visiting uses an SSL certificate that the browser rejects. If you get this error, here’s what you should do.

1. Access the website with HTTP

This is the first thing to do if you get the ‘ERR SSL VERSION OR CIPHER MISMATCH’ error message. You should replace HTTPS with HTTP and check whether you can access the site.

Instead of using https://techviral.net, use http://techviral.net. If you get the error message while using HTTP, you must wait for a few minutes or hours until the website owner fixes the error.

2. Clear SSL Certificate Cache

Clearing the SSL certificate cache often solves the ‘ERR SSL VERSION OR CIPHER MISMATCH’ problem. Here’s what you should do.

1. Open the Windows search menu and search for Internet Options

2. Open Internet Options from the list and head to the Content.

3. Click on Clear SSL state.

3. Changing Chrome’s Flag Settings

If you still get the error, you need to change the security settings in the Chrome browser.

1. Open the Google Chrome browser, and in the URL Bar, enter chrome://flags.

2. There, you need to find the option ‘Minimum SSLv3 version Support’ and change the option to ‘SSLv3’

Restart your Google Chrome browser to make the changes.

4. Disable QUIC Protocol on Chrome

QUIC Protocol (Quick UDP Internet Connections) is an experimental transport network protocol designed by Google. The goal of this protocol is to reduce the latency compared to that of TCP. Sometimes, this protocol can create problems and lead to an ERR SSL VERSION OR CIPHER MISMATCH error. Hence, you should disable the QUIC Protocol on the Google Chrome browser and check.

1. Open the Google Chrome browser on your computer.

2. Open this web address: chrome://flags/

3. On the Experiments page, search for QUIC.

4. Click on the Experimental QUIC Protocol drop-down and select Disabled.

After making the changes, restart your Google Chrome browser. This should fix the ERR SSL VERSION OR CIPHER MISMATCH error.

5. Clean Junk Windows Registry

The error message also occurs due to a junk Windows registry. Some users have reported fixing the error message by clearing the registry files. You can use third-party tools like CCleaner to remove junk registry entries.

Download & install CCleaner on their Windows computer and browse to the Registry tab. Under the registry tab, click ‘Scan for Issues’. Wait for a few seconds until the CCleaner scans the junk entries. Once done, it will list all registry entries that can be fixed. Click on the ‘Fix Selected issues’.

These are the best methods to fix ‘ERR SSL VERSION OR CIPHER MISMATCH’ in a web browser. If you know other ways to fix the error, let us know in the comment box below.

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