Fix ERR_SSL_PROTOCOL_ERROR in ChromeSeptember 1, 2018
- Go to chrome://flags/#enable-quic from Google Chrome.
- Then find Experimental QUIC protocol.
- Then disable it and Restart Google Chrome.
- Go to Control Panel > Network and Internet.
- Then click on Internet Option.
- Now from the Security tab select Internet and set security level Medium.
- From Privacy tab, set privacy level medium too. (If this option is available)
- Now restart your computer.
- Right click on Chrome shortcut in desktop and go to properties.
- Now go to chrome shortcut tab and find Target.
- Then paste –ignore-certificate-errors– and click on Apply & OK.
Google Chrome is one of the most popular web browsers. It is user friendly though people may face some errors with chrome. ERR_SSL_PROTOCOL_ERROR is one of a biggest errors for chrome users. When you browse a https website, ERR_SSL_PROTOCOL_ERROR may appear. You may see a message ‘SSL connection error. Unable to make a secure connection to the server. This may be a problem with the server, or it may be requiring a client authentication certificate that you don’t have’. In this article i’ll discuss some solutions of this chrome SSL connection error.
How to Fix ERR_SSL_PROTOCOL_ERROR:
This SSL connection error may be fixed by several methods. Now see how you can fix ERR_SSL_PROTOCOL_ERROR in Google Chrome.
Method 1: Correcting Time & Date, Region
SSL connection error may occur for incorrect time setting and time zone. So at first correct your time & date setting, time zone as well as region.
Method 2: Disabling Extension
ERR_SSL_PROTOCOL_ERROR may occur for one or more extensions you installed in chrome. When you face ssl connection error, launch Google Chrome in Indigo mode. Then try the web page with ssl connection error. If you see that you can access that web page, you can be sure that one of your extension is causing ERR_SSL_PROTOCOL_ERROR. Now you can disable your extensions and try to find out the culprit extension. Then disable or remove that extension.
Method 3: Checking Firewall or Local Proxy Server Setting
Sometimes your firewall or local proxy server may block SSL traffic. As a result, you may face SSL connection error in Google Chrome. So you should check your firewall setting if there is any option enabled which block SSL traffic. If you are using a router, you can check your router firewall setting. If possible, Check your antivirus setting too.
Method 4: Disabling QUIC Protocol
Some users may fix Fix ERR_SSL_PROTOCOL_ERROR by disbabling QUIC protocol. To do it-
Method 5: Changing Internet Security
Changing your internet security setting can be a solution of ERR_SSL_PROTOCOL_ERROR in chrome. To do it-
Method 6: Ignoring Certificate Error (Not Recommended)
This is not recommended solution. Because, it never solve the root problem. By following this method you only can skip the ERR_SSL_PROTOCOL_ERROR or any SSL error in chrome. Ignoring certificate error is not safe way. Anyway, here are the instructions how you will do it-
This trick may not work for all Windows PC.
After following all of the methods above, you can clear your browser cache & cookies as well as histories. If it doesn’t work for you, you can find more solutions online. Hopefully you will get a suitable solution which will work to fix ERR_SSL_PROTOCOL_ERROR in chrome. You can use problematic webpage addresses as http instead of https and visit until you find any good solution.