The internet is that one thing that most of the people cannot live without, yes, maybe more than half of the world population is dependent on the internet in one way or the other. This simply means that web browsers would be used in common to access the internet for various purposes. There are more than a dozen web browsers that have been used commonly around the world today, among them is the Google Chrome, which is one of the most widely used web browsers in the world today.

Google Chrome being a product from the tech and internet giant Google comes with several features and frequent updates unmatched to no other web browsers. One of the greatest advantages of Google Chrome is that it is user-friendly and it is easy to install and use. However, a common issue most of the people face while using the web browser is the errors that pop up in between browsing.  The ERR_SPDY_PROTOCOL_ERROR is one such common things that you could come across.

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What does this error mean? The answer is quite simple, it is an error that could appear on your Google Chrome screen for a few different reasons, with or without the VPN.

How to solve ERR_SPDY_PROTOCOL_ERROR in the Google Chrome?

There are 4 different methods/ways could be used to solve this error

  1. Update Google Chrome
  2. Clear temporary files, cookies, cache
  3. Flush the SPDY sockets
  4. Try altering the firewall settings and antivirus settings
  1. Update Google Chrome

Before you update your Google Chrome web browser, it is very important that you restart your device first and then re-launch the browser

  • Step 1: Open your web browser, then check if your Google Chrome is up-to-date, all you have to do is simply click on the options button on the right-hand side of the browser. From the drop down options, place the cursor on the “Help”, and then from the drop down, click the “About Google Chrome” you will get all the details on the screen now
  • Step 2: if you find the Google not out of date, then, the update would be displayed on the screen. Click the update you require and then the web browser would be updated

Now, check if the issue has been solved. If you find the issue is not solved, then simply follow the next method.

  1. Clear temporary files, cookies, cache

One of the reasons for an ERR_SPDY_PROTOCOL_ERROR could be because there could be many data accumulated as temporary files, cookies, cache file, dump files etc. You could try clearing this data. Here is how to do it

  • Step 1: First launch the Google Chrome browser
  • Step 2: Now, click on the options button on the right-hand side of the browser. From the drop down, options click the “History” option. PS: you could just press the “Ctrl+H”, On the left-hand side you will find an option “Clear browsing data”
  • Step 3: Now, a dialog box with few option to check with tick mark would be displayed on the screen, select all the fields and then, click on the options “Clear Browsing Data”
  • Step 4: Restart your browser now

Probably the issue might have been solved. If you find the issue still exists, then follow the steps mentioned below.

  1. Flush the SPDY sockets

This process is comparatively complicated than the methods mentioned above.

  • Step 1: First launch the Google Chrome web browser
  • Step 2: Now, paste this command in your browser address box “chrome://net-internals/#events&q=type:SPDY_SESSION%20is:active” and hit the enter button
  • Step 3: A new page will now appear on the screen, click the down arrow placed on the right-hand side of the browser and from the drop down menu click the option “Flush Sockets”
  • Step 4: The SPDY sockets would be flushed now

Now, restart the web browser and check if the issue is solved. If not follow the next method

  1. Try altering the firewall settings and antivirus settings

If you find the issues not resolved by the methods mentioned above, you could simply try altering the firewall settings and anti-virus software settings if you have one installed

If you do not have antivirus software installed in your device, then install antivirus software and scan your device, remove all the virus and malware. Once you have completed cleaning up the device, check the web browser

Now, the problem would be solved


These are the only 4 methods that you could follow to solve your Google Chrome ERR_SPDY_PROTOCOL_ERROR issue. Follow the steps carefully and you could easily resolve the issue

About the Author: Mithilesh Chaubey

Mithilesh is a part time blogger from Noida. He loves to write on various topics of technology, Gadgets, Health & sports.

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