How to fix “ERR_SPDY_PROTOCOL_ERROR” in Google Chrome

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There exist various errors which prevent you to surf the internet smoothly. Errors appear due to multiple reasons which may include wrong settings, bugs, server problems, browser settings, etc. Although Google Chrome is an example of the most efficient and popular web browser operated by users across the globe, it too displays several errors while surfing the web that makes that might prevent you to access the website of your choice. One such common error that prevents you to explore a web page is “ERR_SPDY_PROTOCOL_ERROR”.

This error may restrict you to glance at some of the most eminent and well-coded websites like Google and Facebook, thus, becoming an obstacle in your workflow. ERR_SPDY_PROTOCOL_ERROR is a browser specific error which is experienced by the users of Google Chrome. This error has become a common problem for numerous Chrome users. Due to this error, when you try to access a specific web page the message, “The webpage is not available” appears on the screen.

In this article, we will assist you to fix this issue. However, before applying various techniques for solving the issue, you must be aware of what the error is and the reasons behind its rise. You might also want to learn, how to block websites on Google Chrome. Follow this guide.

“ERR_SPDY_PROTOCOL_ERROR” – Explained

ERR_SPDY_PROTOCOL_ERROR
Google Chrome

The error depicts the presence of some network security issues. SPDY is an open-specification networking protocol which was designed by Google to improve the security of web pages and to load the pages faster. It employed the technique of manipulating the HTTP traffic to fulfill its objectives of reducing the web page load time.

However, with the development of HTTP/2 SPDY became vulnerable to threats and faced severe security issues. Google, therefore, discontinued the use of SPDY in the updated versions of Google Chrome.

Reasons behind the rise: Outdated version of Chrome is one of the major reasons behind encountering this error. Also, the websites which have enabled HTTP might be inaccessible due to this error. Apart from these reasons, issues with SPDY sockets and Google Chrome’s data server may be responsible for your confrontation with the error.

Fixing the error – “ERR_SPDY_PROTOCOL_ERROR.”

Before approaching the complex techniques for resolving the error, you must try the common solutions which are easy and effective as well.

Also see: How to Fix “This Page Has a Redirect Loop” Error – TechWhoop

Easy Solutions:

Restart Chrome

It is seen that the error disappears if the user shuts downs the Google Chrome application and then restarts it again. The success rate of this process is very high. However, this is not a permanent solution, and you may have to face the error in the future again.

Clear Cache and Cookies

Another easy method is to clean all the junk in your Chrome browser. This task can be accomplished by clearing all the cache and cookies, present in your web browser, that might be responsible for creating some security issues.

To clear all the cache and cookies in Chrome, simply go to the settings and select “Clear Browsing Data” in the “History” tab. Clear the junk from “The beginning of time” to make your browser function like new.

Update Chrome

As Google has discontinued using SPDY in the newer versions of Chrome, it is efficient to use the latest version of the same. This will guarantee that you do not face any SPDY issues due to the outdated version of Chrome, thus resolving the “ERR_SPDY_PROTOCOL_ERROR” error.

To update your Chrome browser, you can visit the official Google Chrome website and download the update file corresponding to the latest version of Chrome.

Alternately, you can hit the “About Chrome” option in the “Help” menu. Chrome will check if any new update has been launched and you can download the update file (if launched) from the same page. Run the file to get the latest version of the browser.
If the above methods don’t work, you need to employ some complex and technical steps to resolve the error.

Technical Solutions:

Flush Sockets

To resolve the error, you may have to flush the sockets in Google Chrome. Chrome provides inbuilt tools and features which make it easy for you to perform operations like flushing the sockets.

Method: Go to the chrome://net-internals/#sockets and click on “Flush Socket Pools” button.

Flush DNS and Renew IP Address

Another solution to the earlier problem is to flush the DNS and to renew the IP Address of your PC. This can be done by running a few commands in the command prompt.

Flushing DNS: Type ipconfig /flushdns in the command prompt and press Enter.

Renewing IP Address: Type ipconfig /release in the command prompt and press Enter. Once again, type ipconfig /renew and press Enter.

Also see: Fix “Unfortunately Google Search Has Stopped Working” Error

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