{Solved} Fix ERR_SPDY_PROTOCOL_ERROR in Chrome

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The use of the internet today is a must thing. The most common browser used for surfing the net is the Google Chrome. But several times, it happens that users are not able to access some particular website. Different type of error encountered due to improper functioning of Google Chrome. One of the common error and fixing method to discuss here is This webpage is not available err_spdy_protocol_error on Google Chrome. This issue is caused irrespective of the Operating System being used. This article dedicates mainly to the users of Windows 10, but the fixed stated below are in general applicable to all.

The SPDY protocol of the Chrome was designed to assure the security of the webpage and also the loading speed of the page. The err_spdy_protocol_error occurs because the Chrome has stopped supporting the SPDY protocol anymore. The SPDY protocol is associated with HTTP enabled website. The new version of Google Chrome doesn’t support this protocol due to some vulnerability. The old version users might face this problem frequently.

How to Fix ERR_SPDY_PROTOCOL_ERROR on Google Chrome

This kind of error at one go may sound harsh and tricky but the solution to resolve it are simple and easy to execute for all users.

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Method 1: Delete the Browser history and data

The err_spdy_protocol_error are sometimes caused due to security problems and stored cookies. Therefore we suggest deleting the cache and browsing history to solve the issue. The steps to be followed are written below:

1. At First, Open the Google Chrome.

2. Then Click on Menu icon (three vertical dots at the top right corner of the browser).

3. Afterward, Click on the Settings option.

Chrome Settings
Chrome Settings

4. From the opened window; scroll below for the Advanced Settings section.

Show Advanced Settings
Show Advanced Settings

5. Then Expand the section and navigate below for Clear Browsing data option.

Clear Browsing Data Button
Clear Browsing Data Button

6. Click on it followed by two tabs Basic and Advanced at the top.

7. For keeping your stored data, passwords and auto-fills save, choose the basic tab else to go for Advanced tab.

8. Finally, Click on Clear data and wait for the completion of the process.

Restart your Chrome and check if the fix applies.

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Method 2: Update Google Chrome

We report the problems at times because of using the older version of Chrome. The solution to err_spdy_protocol_error can apply by updating Google Chrome. If this method is not working, it might be due to Windows Update Service Not Running Error. You can also find its fix on our website.

The steps to be followed are given below:

1. At First, Open Google Chrome

2. Then Click on more option present at the top right corner of the window.

3. Afterward, Click on Update Chrome and restart Google Chrome. This will also fix Err SPDY PROTOCOL ERROR in Chrome.

Try opening the website again and see if the fix was applied. If not, then read below to explore more options.

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Method 3: Flush DNS Cache

It is one of the suggested ways to flush the DNS cache and renew the IP address to solve the error. We do it through Command Prompt. This will also help you fix Err_Quic_Protocol Error in Chrome.

The steps are lined below:

1. First, Click on the Start Menu.

2. Then Type Command Prompt on the Search Bar.

3. Afterward, Right Click on it and click on Run As Administrator.

Command Prompt Run as Administrator
Command Prompt Run as Administrator

4. Then On the Command prompt, type the given command one by one and Press Enter.

  • ipconfig/flushdns
  • ipconfig/release
  • ipconfig/renew
ipconfig /release
ipconfig /release

5. Finally, Restart your system.

After the restart, re-launch your Google Chrome and check whether the problem has resolved or not.

Method 4: Flush Sockets in Google Chrome Browser

Flush the sockets in the browser to solve the err_spdy_protocol_error. The steps to be followed are simple and stated below:

1. At First, Open Google Chrome.

2. Then Type or copy the following line on the address bar of your Chrome.

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

3. Afterward, Press Enter to open the Flush Socket Window. Also, check for Err Connection Timed Out Error in Chrome.

4. Click on Flush Socket Pools.

flush socket pools
flush socket pools

5. Then Retry to open the website you intended to.

I hope by this method the err_spdy_protocol_error has resolved, and you are enjoying the internet with no problem.

Also, read – 

{Solved} 7 Ways to Fix ERR_CACHE_MISS In Google Chrome

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Method 5: Reset Google Chrome to Default

Resetting the Google Chrome to the original settings will help to solve the err_spdy_protocol_error on Google Chrome efficiently.
Follow the given steps:

1. At First, Open the Google Chrome.

2. Then Click on Menu icon (three vertical dots at the top right corner of the browser).

3. Afterward, Click on the Settings option.

Chrome Settings
Chrome Settings

4. From the opened window; scroll below for the Advanced Settings section.

Show Advanced Settings
Show Advanced Settings

5. Then Search for Restore Settings box and Click Reset. This method will also fix any minor issues like Err Internet Disconnected or Err_Network_Changed in Google Chrome.

restore chrome settings
restore chrome settings

6. Finally, Restart your Google Chrome.

Try opening the address again and see if the fix has now been applied.

Method 6: Changing firewall settings

The err_spdy_protocol_error on Google Chrome encounters the firewall settings on your system antivirus. Changing the settings of your antivirus can solve this error. All you need to do is check the blocked list section of your antivirus. From the appeared websites, remove the one you are trying to access. In addition to this, turn off the HTTP scanning as well.

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Method 7: Installing the Google Chrome again

If after applying all the above-stated techniques, the problem of err_spdy_protocol_error persists, we suggest reinstalling your Google Chrome. It is the best solution; one can adopt if all other failed.

1- At First, Go to the Start Menu.

2- Then Type Control Panel in the Search field.

Control Panel
Control Panel

3-From the open window, navigate for Programs and Features option.

Programs & Features
Programs & Features

4-Afterward, Double-click to open it.

programs and features Windows Live
programs and features

5- Then Search for Google Chrome and Right click on it.

6- Select Uninstall.

Uninstall Google Chrome
Uninstall Google Chrome

7- Wait for the uninstallation to complete.

8- Then go to the official website of Google Chrome from any available browser.

9- Download the setup for the latest version of Chrome.

download chrome
download chrome

10- Finally, After the download, install the program.

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Conclusion

These all methods will surely resolve the err_spdy_protocol_error on Google Chrome. You can even try the incognito mode on the Google chrome as the fix to the error. I hope this article helped the user with the solution they were seeking for.

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