Restart the problematic page

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Experience shows that this happens most often due to broken SSL settings or accumulated cache. If the system does not allow you to access YouTube, for example, or VKontakte, try to fix the situation with the following measures:


After checking the task manager to make sure that there are no unfinished processes in the browser, restart the browser itself.

You can try (especially effective for dynamic IP) to completely power off the computer or Wi-Fi unit.

Check if access to the resource will appear marketing list of rv owners after a short shutdown of your antivirus. It is possible that its settings are restricting access to a particular website.

Make sure that the date, current time and time zone are set correctly on your computer (or mobile phone).

Try opening the page you need via Firefox: it rarely gives this error. Or log in to the network under the "Incognito" status (for Yandex and Chrome, use the key combination CTRL + SHIFT + N).

If the above steps are not helpful, you will have to try other measures.

3. How to reset SSL site protocols on your device?

If you encounter the "unsupported protocol" error, try resetting your SSL settings - restore the default settings. The steps to do this are as follows:

In the Control Panel, find Internet Options . This is where Windows manages connections and browser settings.

Next, click “Advanced”, then “Restore settings”, and then, if that doesn’t help, “Reset”.

You also need to go to "Contents" and click "Clear SSL" there.


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Now restart your computer.

The sfc/scannow and ipconfig/flushdns options (run one after the other in the command line) effectively solve the problem , but to use them, you need to log in to the system as an administrator.

4. Check if viruses are interfering with the operation of the site protocol.

Modern virus programs can not only disrupt browsers - they often cause failures in network DNS screens. That is, a Trojan caught by a computer can, for example, change DNS and open access to tracking the traffic used. If you suspect such reasons, try doing the following:

Go to the Start menu, select Run, enter %TEMP% there , select and delete everything that appears in the folder that opens.

Good scanners that can be recommended for use are AdwCleaner and MalwareBytes.

Run your computer first through one of the named programs , then through another, maybe more than once, and it would be good to restart the device each time.

To be on the safe side, also run CCleaner , turning on the cleaning and registry correction modes one after the other.

The list of unwanted files to be deleted can be surprisingly large, and the steps taken should prevent the ERR_SSL_VERSION_OR_CIPHER_MISMATCH error from reoccurring.