How to Fix SSL protocol error in Chrome

hostitsmartca · Apr 25, 2023

TO Fix ERR_SSL_PROTOCOL_ERROR in Chrome

TO download the from the site.
1. First, you must go to your search engine and open the link in the New Tab.

2. Now, after opening the link, you will be able to see the button for downloading chrome. Click on it to start downloading.

After completing the solution and check it if there is any problem after refreshing the site.

3. Synchronized management is conducted as it affects SSL connection across the web. Additionally, some SSL certificates depend on the device's inbuilt date and time, so if your date and time are incorrect, you have to adjust them.
For Windows User

1. For windows user you have to search the date and time settings on the device search bar.

2. You have to turn on the set time and Zone automatically

For Mac User
1. Mac users can open the system settings on their device.

2. Now click on General

3. Then select Date & time option automatically

Now after completing the process go back to your site and refresh it by clicking F5

Paul Wellner Bou · Apr 25, 2023

Your answer provided above is a general approach to fixing the ERR_SSL_PROTOCOL_ERROR in Chrome, but it may not work for all cases. It is important to note that SSL errors can be caused by various issues, such as outdated SSL certificates, incorrect system time and date, browser cache issues, and more.

The first step of downloading Chrome is not directly related to fixing the SSL error, as the issue can occur in any browser. Instead, it is recommended to try clearing the browser cache and cookies first, as this can often solve the problem.

For Windows users, in addition to checking the system date and time settings, it may also be necessary to check the Windows Root Certificate Program. This program manages the trusted root certificates on the device and can cause SSL errors if the certificates are outdated or missing.

For Mac users, it may be necessary to check the Keychain Access app, which manages the SSL certificates on the device. If the SSL certificate is expired or missing, it can cause SSL errors.

In addition, it may be necessary to check the SSL/TLS settings in the browser and ensure that they are configured correctly. Some websites may require specific SSL/TLS protocols or cipher suites, so adjusting the settings may be necessary. While the answer provided above is a good starting point, it is important to understand that fixing SSL errors can be complex and require a combination of different solutions. If the issue persists after trying the suggested solution, it may be necessary to seek additional help from a technical expert.

allwebhost · Jun 26, 2023

If you're experiencing an SSL protocol error in Chrome, you can try the following steps to fix it:

Check System Date and Time
Clear Browser Cache and Cookies
Disable Extensions
Update Chrome
Disable Antivirus or Firewall Temporarily
Check SSL Certificate Validity
Adjust SSL/TLS Settings
Reset Chrome Settings

JessicaW33 · Jun 27, 2023

Check your system clock. An incorrect date or timezone settings can sometimes interfere with the website you're trying to connect and result in the ERR_SSL_PROTOCOL_ERROR.
Clear your browser cache and SSL state.This will remove any corrupt or outdated data that may be causing the error. To do this, follow these steps:
- Open Chrome.
- Click on the three dots in the top right corner of the browser window.
- Select Settings.
- Scroll down to the Advanced section.
- Under Privacy and security, click on Clear browsing data.
- Select the Cached images and files and SSL-certificates options.
- Click on Clear data.
Disable third-party browser extensions and antivirus software.Sometimes, third-party extensions or antivirus software can interfere with Chrome's ability to connect to websites securely. To disable these extensions, follow these steps:
- Open Chrome.
- Click on the three dots in the top right corner of the browser window.
- Select More tools > Extensions.
- Find the extension you want to disable and click on the Remove button.
- Restart Chrome.
Check your SSL certificate.The SSL certificate is a digital file that verifies the identity of the website you're trying to connect to. If the certificate is invalid or corrupt, you may receive an SSL protocol error. To check the SSL certificate, follow these steps:
- Right-click on the website address in the address bar.
- Select Inspect.
- Click on the Security tab.
- Under Certificate, verify that the Issued to and Issued by fields match the website you're trying to connect to.
Disable the QUIC protocol.The QUIC protocol is a newer protocol that Chrome uses to connect to websites. However, some websites may not support QUIC yet, which can cause the ERR_SSL_PROTOCOL_ERROR. To disable QUIC, follow these steps:
- Open Chrome.
- Click on the three dots in the top right corner of the browser window.
- Select Settings.
- Scroll down to the Advanced section.
- Under Networking, uncheck the Use QUIC protocol checkbox.
Change your Internet security and privacy level. If you're using a firewall or antivirus software, you may need to change your Internet security and privacy level to allow Chrome to connect to websites securely. To do this, consult your firewall or antivirus software's documentation.

If you've tried all of these steps and you're still getting the ERR_SSL_PROTOCOL_ERROR, you may need to contact the website's administrator for help.

BlueLeaf · Jun 27, 2023

Here are some potential solutions to resolve the ERR_SSL_PROTOCOL_ERROR:

Verify System Date and Time Incorrect date and time settings on your device can trigger the ERR_SSL_PROTOCOL_ERROR in your Chrome browser. Ensure that the date and time are correctly set on your computer or mobile device, as a mismatch with the server's date can cause this error. Simply adjust the date and time to the current values and try reopening the website. If the error persists, proceed to the next solution.
Disable QUIC Protocol QUIC is a protocol developed by Google to enhance web browsing speed and efficiency. However, in some cases, it can lead to unexpected errors such as ERR_SSL_PROTOCOL_ERROR. To rule out this possibility:
- Enter "chrome://flags#enable-quic" in the address bar of your Chrome browser and press Enter.
- Locate the "Experimental QUIC Protocol" option and change it from "Default" to "Disabled."
- Restart Chrome. If the error still persists, you can re-enable QUIC since the issue may be caused by something else.
Clear Browsing Data Clearing your browsing data periodically is a good practice to maintain browser performance and prevent various errors, including ERR_SSL_PROTOCOL_ERROR. Follow these steps:
- Open your Chrome browser and press Ctrl + Shift + Delete.
- Set the time range to "All Time."
- Select the checkboxes for "Cookies and other site data" and "Cached images and files."
- Click the "Clear Data" button.
Clear SSL State The SSL state on your device stores cached SSL certificates, and clearing it can help resolve SSL-related issues. Here's how:
- Click the Settings icon in Google Chrome and select "Settings."
- Scroll down and click "Advanced" to reveal more options.
- Under the "Network" section, click "Change proxy settings" to open the Internet Properties dialog box.
- In the dialog box, navigate to the "Content" tab.
- Click the "Clear SSL state" button and confirm with "OK."
- Restart Chrome.
Remove the Hosts File Deleting the hosts file can sometimes resolve the ERR_SSL_PROTOCOL_ERROR. Follow these steps:
- Press Windows + R, type "C:\Windows\System32\drivers\etc" in the Run dialog box, and press Enter.
- Locate the "Hosts" file and delete it.
- Restart Chrome.
Disable Extensions Extensions can enhance browsing functionality but may also interfere with core processes and cause errors. Temporarily disable all Chrome extensions and check if the affected website loads properly. To manage extensions:
- Type "chrome://extensions/" in the URL bar of your Chrome browser.
- Disable each extension one by one.
- Test the website after disabling each extension to identify if any particular extension is causing the error.
Check Firewall Settings If your firewall is blocking the website or its IP address, you may encounter the ERR_SSL_PROTOCOL_ERROR. Review your firewall settings and ensure that the website you're trying to access isn't being blocked.
Adjust Internet Security and Privacy Level High security and privacy settings on your internet browser can sometimes block access to websites. To adjust these settings:
- In the search bar on your computer, type "Internet Options" and press Enter.
- In the Internet Properties dialog box, go to the Security tab.
- Adjust the slider to a medium security level if it's set too high.
- Restart your browser and attempt to open the website again.

jessicafoster · May 7, 2025

To fix the SSL protocol error in Chrome, clear your browser cache, check your system date/time, and disable third-party extensions.

How to Fix SSL protocol error in Chrome

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