The ERR_SSL_VERSION_OR_CIPHER_MISMATCH error typically occurs on older operating systems or browsers.
But now, may people have reported that they encounter the issue when running Google Chromes latest version.
Now, read this post fromMiniToolto find some solutions to get rid of the annoying issue.

In actual, ERR_SSL_VERSION_OR_CIPHER_MISMATCH Chrome is with the SSL certificate.
Chrome isnt letting you load it to protect you.
You might also see a variation of the error, such as:
1.
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Error 113 (net::err_ssl_version_or_cipher_mismatch): unknown error
2.
Have you received the code: ERR_SSL_PROTOCOL_ERROR when accessing a website on Chrome?
Here are some solutions to the SSL protocol error.

There are many reasons for the certificate name mismatch.
Here are the possible reasons:
1.
The site uses a content delivery connection (CDN) that does not support SSL.

The site does not use SSL but shares an IP address with some other site that does.
Then, you might check for each and give a shot to fix it.
When you run your server check-in SSL Labs, you might find SSL/TLS versions under the configuration section.
test whether any of SSL 2, SSL 3 or TLS 1.0 has been enabled.
If it has been, you should probably disable it on your server ASAP.
When you encounter the ERR_SSL_VERSION_OR_CIPHER_MISMATCH error, it’s possible for you to try installing the latest Windows updates.
Here is how to do that:
Step 1:Right-click theStartmenu and chooseSettings.
Step 2:On theSettingswindow, selectUpdate & Security.
Then Windows will search for available updates.
Just follow the on-screen instructions to finish the process.
After installing the latest Windows updates, cycle your gear and test whether the error gets fixed.
Therefore, it’s possible for you to try temporarily disabling the antivirus software through the following steps.
I take Windows Defender as an example.
Step 1:TypeSettingsin theSearchbox to open theSettingsapplication.
Step 2:ChooseUpdate & Securityand navigate toWindows Security.
Then, clickOpen Windows Security.
Step 3:ClickVirus & threat protection.
Then, click theWindows Defender Antivirus optionpart.
Finally, turn off the periodic scanning.
Also see:Is Antivirus Necessary for Windows 10/8/7?
Get the Answer Now!
If you come across the same error, try these solutions to get rid of it.
If you have any better solution to fix the error, you could share it in the comment zone.