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Quickly Fix ERR_SSL_VERSION_OR_CIPHER_MISMATCH on PC
The browser cannot verify the SSL certificate for the implied website
6 min. read
Updated onFebruary 27, 2024
updated onFebruary 27, 2024
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Key notes
Err SLL version or cipher mismatchis a web error that has been reported to appear on several browsers and apps.
Windows and the browsers installed on your device use built-in security features to protect your info and keep everything secured. These built-insecurity toolsdetermine if certain web pages are safe or not.
However, sometimes, your Internet access might be blocked, even if the websites you visit are safe. That explains why you’re getting theerr_ssl_version_or_cipher_mismatcherror.
This is similar toChrome says Not secureissue, and for more information, we advise that you check that guide.
While this is a handy security feature, sometimes even trustedsites might be blocked. In today’s guide, we’re going to show you how to bypass theErr SLL version or cipher mismatchmessage.
What causes Err SSL version or cipher mismatch?
This is a certificate issue, and it appears when the web browser and server don’t support the same encryption protocol version.
This error doesn’t discriminate between your choice of browsers. TheErr SLL version or cipher mismatchhas appeared as a variant of:
If this happens, you might see one of the following messages:
Luckily, there are ways to fix this error, and today we’ll show you how.
How can I fix the Err SSL version or cipher mismatch error?
1. Check the website certificate
If you don’t see this message or the lock icon, it means that the website is using an expired certificate, thus making it unsafe.
You can also check the security by doing the following:
Alternatively, you can try switching to a different browser to avoid this problem, and the following one might be the best choice because it offers excellent features and security.
It also comes with enhanced browsing technology and improved security that can help you bypass this SSL version.
2. Clear the cache
3. Adjust security settings
4. Disable quick protocol
5. Clear the SSL Certificate cache
Windows will store SSL certificate history by default to make your browsing experience faster.
However, this might be the reason why you get theErr SSL version or cipher mismatchalert. So, clear the SSL Certificate cache by doing as described above.
6. Turn off SSL scanning from antivirus software
Your antivirus program could cause the Err SSL version or cipher mismatch while accessing the router. So, disable the SSL scanning feature from your security programs before retrying your network connection.
If you’re having problems with your antivirus, visit our guide on thebest antivirus softwarefor some great alternatives.
How can I fix the Err SSL version or cipher mismatch error on Windows 11?
This is a browser issue, meaning that solutions are the same on all versions of Windows. So even if you’re using the latest edition, all the methods from this guide should work for you, so be sure to try them.
The error is similar toThis website might not be trusted by your browsererror. For more information on how to fix it, check out thiswebsite not-trusted guidefor more details.
What systems are affected by Err SSL version or cipher mismatch?
This is a standard error, and err_ssl_version_or_cipher_mismatch has been reported on Windows, Android, and Mac systems.Servers can also suffer from this issue, and the list of affected servers includes:
Remember that the Err SSL version error is a security alert telling you one thing:You are trying to access a web page that cannot be trusted.
So, try todisable this alertonly if you are sure that you can safely navigate toward the respective website.
The steps above should help you solve theErr SSL version or cipher mismatcherror in Chrome. If you’re still having problems, read ourSecure connection failed SSL errorguide for additional solutions.
We’d like your opinion on this subject, so drop us a comment in the section below.
More about the topics:Browser errors,windows 10 fix,Windows 11
Andrew Wafer
Andrew is not just trying to bring you closer to Windows, but he’s truly interested in this platform. He just happens to be passionate about sharing that knowledge with our readers and that’s what makes his presence here, at WindowsReport, such a valuable one.
He specializes in writing about the best products for this operating system and Windows 10 fixes. Determined and creative, Andrew also loves coffee, country music, and Sunday mornings.
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