[Fixed] Err_Spdy_Protocol_Error in Chrome Browser

Err_Spdy_Protocol_Error might be one of those errors which are spoiling your browsing experience in chrome. It may also happen that err_spdy_protocol_error is creating trouble all the time you browse internet through chrome. This is why you are on this page to get the proper solution of this issue.

The error is specific to chrome browser only. Generally, you won’t face this error in any other web browser. A majority of internet users browse through Chrome, so the resolution of this problem becomes more necessary.


Being a computer technician, I have encountered such problems many a times. I want that people themselves can solve this issue without calling any computer expert.

I will share some working methods to resolve this error in your chrome browser, but before we get to know the resolution, first I would like to share – what exactly it is and why does it occur?

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About Err_Spdy_Protocol_Error

Err_Spdy_Protocol_Error is nothing than a security issue. Earlier it was supported by the Google itself. With the commence of HTTP2, it became useless and pretty venerable too. The error is mostly seen in old version of chrome  browser.  Moreover, the sites with SSL enabled might give same error. Sometimes while we use VPN, this error occur on the screen.

The error appears as the webpage <web address> might be temporarily down or it may have moved permanently to a new web address.

What Causes Err_Spdy_Protocol_Error?

The following might be the possible causes of err_spdy_protocol_error.

  1. Using old version of chrome browser.
  2. Slow Internet connection
  3. Chrome browser system fault
  4. Using VPN.
  5. Your Antivirus software

Methods to Solve err_spdy_protocol_error 

You don’t see this error with all the websites. This error is related to some specific websites (like Blogger, Youtube, Tumblr, Facebook, Wikipedia and many others). When you try to access these sites, you might face error message like this webpage is not available err_spdy_protocol_error, err_spdy_protocol_error tumblr, err_spdy_protocol_error dropbox, err_spdy_protocol_error facebook, err_spdy_protocol_error reddit, err_spdy_protocol_error wikipedia, err_spdy_protocol_error youtube, err_spdy_protocol_error chrome. You need to fix err_spdy_protocol_error.

The Err_Spdy_Protocol_Error can be resolved by applying the following tutorials. I want to suggest you to follow every step of tutorial carefully to resolve the problem in one go.

The Traditional Solution:

Most of us would reload the webpage whenever they see this error. However, it works sometimes. You can give it a try.

1. Clear Cookies in Chrome Browser:

This can help you to clear the Err_Spdy_Protocol_Error. Whenever clients call me and tell about the error coming into their web browsers. I firstly, ask them to clear the cache of browser. It is the simplest solution that you can follow to resolve this issue. It goes in the simple steps which are given below:

  1. Go to

setting>>history>> Clear Browsing Data tab or you can directly copy-paste the following path in your browser’s address bar.


  1. Keep checked options “Cached Images and files” and “Cookies and Other site data”.
  2. Keep all the other options deselect.
  3. Time range” should always be set to “All time
  4. Then click on “Clear Data” button.

2. Flushing SPDY Sockets in Chrome Browser

You need to put the following path into your chrome browser’s address bar and press enter.


You will be redirected to a new screen where you get option “Flush socket pools”. Simply click on it.

flush socket pools

Now paste the following path into your browser and press enter.

chrome://net-internals/#events&q=type:SPDY_SESSION is:active#sockets

You will see a red strip that is having down arrow button at right corner. Click on it and select the option “Flush sockets”.

click on flush sockets

3. Flush DNS cache and Renew IP Address

First of all click on start button and search for “CMD” (in windows 7).  Once you found it, right click on it and select “Run as Administrator” (In later versions of windows, you will find CMD (Admin) directly so no need to “run as administrator”.)

Type ipconfig/flushdns and press enter.

Now type ipconfig/renew and press enter.

It takes few seconds in running both of these commands and you get flushed DNS and Renewed IP Address.

4. Update your Chrome Browser:

We have already talked upon the supporting issue of SPDY protocol. The chrome is no longer supporting this protocol. So if you are using the old version of browser, you might face err_spdy_protocol_error. To resolve this issue, you should update your chrome browser. This might help you to get rid of err spdy protocol error.

To download the latest version of chrome browser, go through the below link. You will find there the latest version of chrome browser.


To make sure the link will work fine, you internet connection should be in good condition.

5. Cross Check your System’s Antivirus Software

I never encountered this issue with the Avast antivirus, however, some of my clients witnessed err spdy protocol error causes this antivirus. If you are facing this issue, and having same antivirus in your desktop then you need to add these websites into web shield exclusion list of Avast. To do so, follow the below steps:

  1. Open Avast security application installed in your PC.
  2. Open setting tab there and go to “active protection tab”
  3. Open the Customize web shield protection
  4. Add the problematic websites here one by one.

You have to make sure that all the urls have been added correctly, otherwise following any method may go waste. This solution should fix the err spdy protocol error on your chrome browser.

All the above 5 methods gives a solution to resolve this error. I use them to remove this error, so they should also work on your PC as well. If none of the above solution helps you to get rid of this error, then simply uninstall your current chrome browser and install a fresh copy.

All the methods are simple and easy to follow. If you find any problem in any of these methods, then write down the entire situation in the comment box. I will try to give you proper resolution. Well, you can also overcome this error simply just by following the above methods. It will take few minutes to perform any of these methods. Good Luck….

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