How to Fix Google Chrome “ERR_SPDY_PROTOCOL_ERROR” Permanently?


Fix Google Chrome “ERR_SPDY_PROTOCOL_ERROR” Permanently: For the most of google chrome users – “ERR_SPDY_PROTOCOL_ERROR” is very common issue that occurs. This is the special protocol which helps in Quick loading and Security of the user. It fastens the HTTPS protocol for secure page loading. But, Due to many reasons and user feedback. This protocol is removed from the new versions of the Chrome browser.

Related – Hack DNS For Faster Internet Speed

So, You may not see this problem in the setup after 2016. But, still many users use the older version for its speed and less resource hungry behavior than new versions. If you are facing ERR_SPDY_PROTOCOL_ERROR for any reason. Then, you are at the right spot. I’ll guide you through – fixing this error via simple and reliable methods. So, Stay calm! And, Follow me.



The ERR_SPDY_PROTOCOL_ERROR can occur due to many reasons. Maybe, because of your antivirus settings, firewall settings, internet speed, security issues etc. So, You need to first identify the reason of the error – in order to fix it. Let’s have a look at few methods.

#1 Using CMD

Press Windows + R and type “CMD“, then press Enter. You’ll see a Black window will pop-up on your screen. Just type the following commands in that black screen. And, It will fix all the network connectivity problems in just single go. So, Type all the commands one after the other. And, Press enter.

  • ipconfig /flushdns
  • ipconfig /release
  • ipconfig /renew
  • netsh winsock reset

Alternative Method:

    1. Just Copy this code and open in your Chrome browser


  1. Then go to your right corner. There is a small drop down menu button just open it and select “Flush Sockets” and its done.

#2 Reset Firewall Settings

Most of the time, this is the reason for this Error. All you need to do is to allow the Https bypass settings to turn on. You can do it in Windows firewall settings and Search for the option. Or Within your antivirus’s firewall settings. 90% of the time, it will fix the problem. And, Now you can enjoy your internet connection. You can almost solve “ERR_SPDY_PROTOCOL_ERROR” problem by those above one. But try this if not working for yours.

#3 Update

Updating your current google chrome browser also helps in fixing this error. Because, when you update your browser – it will delete all the older junk files and settings and reset everything as new. Thus, you may not need to take extra efforts to fix it.

And, as Google chrome has stopped this feature in the new versions due to speed issues. So, Updating the browser will definitely break the error. And, you can live a happy life again.

#4 Chrome Cleanup Tool

Even after applying these methods, if you are still facing this problem. Then, there is a special tool for this problem available online. You can simply download it from google’s official page. And, Run it in your system. It will fix most of the problems you’ll face in your google chrome browser. It is only of 3.5 MB in size. So, You can simply download it in almost no time. And, enjoy the freedom on the internet.

From Editor’s Desk:

That’s all from my side. I hope, That you’ll like this article. If you want to ask anything related to the article or want to suggest something, You are welcome in the comment field. I’ll be happy to read your comments. And, I’ll try to answer the query within 24 hours. Thanks for your time & Support.