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How to resolve ERR_SPDY_PROTOCOL_ERROR in Chrome Browser

How to resolve ERR_SPDY_PROTOCOL_ERROR in Chrome Browser


How to resolve ERR_SPDY_PROTOCOL_ERROR in Chrome Browser - Most of the internet users use Google Chrome as their default browser in Windows 10. In this article we will discuss about one more error generated frequently showing message "ERR_SPDY_PROTOCOL_ERROR".
The main reason behind the "ERR_SPDY_PROTOCOL_ERROR" is the server error. The error is seen on WordPress Sites, Cloudflare or Sites using nginx server.


How to resolve ERR_SPDY_PROTOCOL_ERROR in Chrome Browser

The word SPDY specifies as a protocol developed by Google to reduce the loading time of a page. But this protocol was discontinued due to HTTP 2 vulnerability issue. Apart from all these facts, we suggest you some troubleshooting methods which should be followed to resolve the error.


Fix ERR_SPDY_PROTOCOL_ERROR in Google Chrome



  1. First of all, Update the Google Chrome browser – Since the protocol is discontinued by Google now for newer devices. But if you are using a older one, there is high chances of getting this error while browsing some websites. If this does not work, follow the next step.

  2. Secondly, Flush Socket – If you are using the latest version of Google chrome, you can flush socket to check by entering the following command in the URL bar of the chrome browser. A window will open where you have option to Flush Socket pools, just click on it. Restart your browser to check whether problem is solved or not.



chrome://net-internals/#sockets



  1. Thirdly, Disable the HTTPS Scanning – If you are using a reliable antivirus for security measures, then disable it and check whether problem is solved. The security features of your browser may scan the HTTPS sites for valid certificate before opening it into the browser. That is why, this error is generated in browser. You can also check the Third-party firewall application in this case.

  2. Flush the DNS Cache of Browser.

  3. Reset your Google Chrome from settings

  4. Clear the browsing history, cookies or cache if required.

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