The ERR_SPDY_PROTOCOL_ERROR problem happens in your Google Chrome and is a very common error code that many of us have faced in our lives. But this type of error can prevent the smooth performance of your system and at the same time, it hampers your work. But worry not, ‘cause I have the most effective solutions.


The possible reasons for the Protocol Error are here-

  • Your Chrome browser is outdated
  • You are using a VPN service which preventing certain websites from running
  • The antivirus or firewall is causing the issue

If these are the factors that created the problem, then the resolution would be easier. Check out the sections I have provided below to get the solutions.

Re-Launch the Google Chrome Browser-ERR_SPDY_PROTOCOL_ERROR(Solved)

No matter what browser, whenever you face an error all of a sudden, the first thing you can try is to relaunch the browser. Just close the browser and open it again. If it does not solve the problem, then follow the next step.

Remove Google Chrome Sockets to Resolve ERR_SPDY_PROTOCOL_ERROR

Google Chrome sockets can be one of the main reasons why you are facing this certain error. Removing these sockets can be the ultimate solution for resolving this error. So, follow the steps below to perform the process-

  1. First, launch the Chrome browser from your computer and then type chrome://net-internals/#sockets and press Enter
  2. Second, now the socket settings will open in a new page
  3. On that page, you have to find the  “Fluch socket pool” option and then click on it
  4. This process will enable you to successfully remove the socket from your browser

Completing the last step, please restart your browser. If you see the problem is still occurring, then follow the other methods.

You can also read: Google Chrome Certificate Error

Clean Caches from Your Chrome Browser to Resolve the ERR_SPDY_PROTOCOL_ERROR Issue

Getting rid of unwanted junk files in your browser can help you get rid of the Chrome issue you are facing. Below are the steps that you can perform to clean the temporary junk files from your Google Chrome browser.

  1. First, open the browser
  2. Second, notice the three vertical dots from the top right corner of your screen; click those dots
  3. From the drop-down menu, go to More Tools > Clear Browsing Data
  4. Choose a time frame you want to clean all those caches
  5. Check all the given options
  6. Now just click on Clean Data

The cache clean up can help you get rid of the issue in no time. But if this too does not help, move on to the next process.

Try to Update Google Chrome Browser

Due to an un-updated Google Chrome browser, the ERR_SPDY_PROTOCOL_ERROR problem can occur. To update the browser, click on the three vertical dots located at the top right corner of the browser and see if there is an update available for the browser. If there is an update available, the Chrome will show you the “Update Google Chrome” option which you can click for an automatic update.

Now close your browser and reopen to see if the problem is gone. In case the ERR_SPDY_PROTOCOL_ERROR is still an issue, let us know in the comment box below.

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