By Achilles Hill | Last Updated
It is normal for most of Google Chrome users to see the SSL connection error message like this---- This site can't provide a secure connection and in the bottom of prompt shows the code ERR_SSL_PROTOCOL_ERROR. However, may you have any clue to fix this issue? Worry not: the troubleshooter is at your disposal. The causes of this error may be the problem of system, website, or server. In this article, we will show you 8 solutions to solve ERR_SSL_PROTOCOL_ERROR Google Chrome.
When the date, time or region settings in your computer cannot match with the certificate on the Internet, you will also receive the ERR_SSL_PROTOCOL_ERROR message in Google Chrome. Therefore, it's important to adjust the date, time and region on your computer.
Step 1: Click on Start menu in the bottom left corner and click the gear button to open the Settings window.
Step 2: Click on Time & Language button then click Date & time in the left sidebar.
Step 3: Under Date and time section, turn on the Set time automatically and choose the correct Timezone as the image below.
QUIC supports a set of multiplexed connections, so we can disable it to repair the ERR_SSL_PROTOCOL_ERROR.
Step 1: Copy and paste "chrome://flags/#enable-quic" in the Address Bar then press Enter.
Step 2: At the end of the line, click the Down arrow and select Disable. Close Chrome and restart it.
If you get stuck in ERR_SSL_PROTOCOL_ERROR in Google Chrome, try to open the website with the SSL connection error in the incognito window to disable all extensions completely. Check if the error still appears. If not, go to the Extensions page and manage your extensions by disabling or removing one by one to see which one causes the issue. Here are the details:
Step 1: Open Chrome then press Ctrl + Shift + N to open an incognito window.
Tips: Click the three vertical dots at the top-right corner and select "New incognito window" can achieve the same effect.
Step 2: Open the SSL error website in the incognito window. If everything works well, close the window.
Step 3: At the upper right corner, click on "More" menu. Navigate to More toolsExtensions. You can also input "chrome://extensions/" in the URL bar and hit Enter to open Extension page directly.
Step 4: Uncheck the box front Enable or click the Trash icon to disable or remove the extension one by one. Find out the troublesome extension and Delete it.
The cookies and cache would cause the error too. Regardless of or not you meet this error, remember to clear cookies and cache frequently.
Step 1: To delete cookies and cache Chrome, press Ctrl + Shift + Delete combination to open "Clearing browsing data" dialog box.
Step 2: Click the Down arrow next to Time range and choose All time from the options.
Step 3: Tick the checkbox front the items below:
Tap on CLEAR DATA button to delete.
Your Antivirus may probably block this site as the virus. Under this situation, you'd better not enter this site as well. If you persist, go ahead with the tutorials in the following.
Step 1: Navigate to SettingsUpdate & SecurityWindows DefenderOpen Windows Defender Security Center.
Step 2: In the Windows Defender Security Center window, click the shield-shaped icon in the left sidebar. Tap on the Virus & threat protection settings.
Step 3: Scroll down, click Add or remove exclusions under Exclusions section.
Step 4: Click the Plus sign next to "Add an exclusion" and choose the File type. When a window popups, paste the URL with the SSL error in the box and click on Yes button.
Once your internet security is in high level, it might block some unnecessary websites. Therefore, you can change the security level to allow the website that with ERR_SSL_PROTOCOL_ERROR error.
Step 1: Open Control Panel, click the Down arrow next to View by and select Small icons at the top-right corner. Then tap on Internet Options.
Step 2: In Internet Properties window, click on Security tab and lower the security level for this zone. We advise you to set the security level as Medium to high.
The system hosts file can also cause the error---- This site can't provide a secure connection, then delete or rename the file to address the issue.
Step 1: Open File Explorer from the Taskbar and navigate to the directory folder below:
C:\Windows\System32\drivers\etc
Tips: You can press Windows + R key synchronously to invoke the Run window and input "C:\Windows\System32\drivers\etc".
Step 2: Find out the hosts file and right-click to Rename or Delete.
At times your SSL state may lead to the SSL connection error. Walk through the steps below to allow your website.
Step 1: Open Internet Properties window then switch to Content tab. Note: If you don't know how to reach the Internet properties window, refer to Step 1 in Solution 6.
Step 2: Click on Clear SSL state. After a second, you will see a prompt reminds you that SSL cache has successfully cleared.
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