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Fix the ERR_SPDY_PROTOCOL_ERROR [Easily]

Fix the ERR_SPDY_PROTOCOL_ERROR [Easily]

Are you feeling upset when seeing the err_spdy_protocol_error on your Google chrome? Don’t worry, You can fix this issue with the methods in this article.

If you see the ERR_SPDY_PROTOCOL_ERROR when surfing the web on your Google Chrome, you’re not alone. Many users are reporting this issue. The good news is you can fix this annoying issue on your own. You should fix this issue easily with the methods we list below.

What is the ERR_SPDY_PROTOCOL_ERROR?

The ERR_SPDY_PROTOCOL_ERROR is a commonly reported problem and is often seen on Google Chrome. When you visit a web page on Google Chrome, Chrome will send a request using the SPDY protocol. As an experimental protocol for a faster web, there are times when something went wrong so that the browser gets the error.

Fixes to try:

You don’t have to try them all; just work your way down the list until you find the one that works for you:

  1. Reload the web page and reopen your Google Chrome
  2. Update your Google Chrome
  3. Flushing the Sockets
  4. Flushing the DNS and Renewing the IP
  5. Check the antivirus settings of your AVAST
  6. Clear the temporary files, cookies and caches
  7. Use the Chrome cleanup tool

Fix 1: Reload the web page and reopen your Google Chrome

Sometimes you encounter the ERR_SPDY_PROTOCOL_ERROR because your Chrome is temporarily going wrong. Refreshing the page may resolve this annoying issue. Follow the instructions below to do it:

1) Click the Reload button or icon on your Chrome or press F5 on your keyboard to reload the video page. Then see if the issue persists.

2) If this issue persists, try closing and reopening your Google Chrome.

3) Visit that web page again to see if this issue persists.

If your Chrome still gets the ERR_SPDY_PROTOCOL_ERROR, try the next fix.

Fix 2: Update your Google Chrome

The ERR_SPDY_PROTOCOL_ERROR may occur if you’re using an outdated Google Chrome. Since An outdated Google Chrome will trigger an old version of SPDY and Google only supports the latest version of it, this annoying issue will occur. Follow the steps below to update your Google Chrome:

1) On your Google Chrome, click the menu button in the upper right corner. Then select Help > About Google Chrome.

2) Check if your Google Chrome is up to date. If not, update your Chrome to the latest version.

After updating your Chrome, check if this issue reappears. If not, you’ve fixed this issue.

Fix 3: Flushing the Sockets

Sometimes the ERR_SPDY_PROTOCOL_ERROR can be resolved by flushing the sockets. Here is how to do it:

1) On your Google Chrome, copy the URL chrome://net-internals/#events&q=type:SPDY_SESSION%20is:active and paste it in the address bar. Then press Enter on your keyboard. You will see the page below.

2) Click the button with a down triangle in the upper right corner. Then select Flush sockets.

3) Copy the URL chrome://net-internals/#sockets and paste it in the address bar. Then press Enter on your keyboard.

4) Click Flush socket pools.

5) Reopen your chrome to visit that web page again.

See if the problem remains. If this issue reappears, try flushing the DNS and renewing the IP.

Fix 4: Flushing the DNS and Renewing the IP

The ERR_SPDY_PROTOCOL_ERROR is also probably caused by DNS and IP issues. Try flushing the DNS and renewing IP and maybe this issue will be resolved. Here is how to do it:

  • To flush the DNS:

1) On your keyboard, press the Windows Logo Key and R at the same time to open the Run dialog. Type cmd and then press Ctrl, Shift, and Enter on your keyboard at the same time to run the Command Prompt as administrator. You will be prompted for permission. Click Yes to run the Command Prompt.

2) Type the command line ipconfig/ flushdns and press Enter on your keyboard.

  • To renew IP:

1) On your keyboard, press the Windows Logo Key and R at the same time to open the Run dialog. Type cmd and then press Ctrl, Shift, and Enter on your keyboard at the same time to run the Command Prompt as administrator. You will be prompted for permission. Click Yes to run the Command Prompt.

2) Type the command line ipconfig/ release and press Enter on your keyboard.

3)Type the command line ipconfig/ renew and press Enter on your keyboard.

4) Reopen your Google Chrome to visit that web page again.

See if this issue persists. If so, don’t worry, there are more solutions for you to try.

Fix 5: Check the antivirus settings of your Avast

This annoying issue can also be triggered by Avast. If you’re using this third-party antivirus application, you may run into the ERR_SPDY_PROTOCOL_ERROR.

Open Avast and add the URL of that web page to the whitelist. If you don’t know how to do it, please consult your antivirus documentation for instructions.

Reopen your Chrome to visit that web page again. If you can open that web page, this issue is fixed!

Fix 6: Clear the temporary files, cookies and caches

This annoying issue is also probably caused by the temporary files, cookies and caches on your browser. Try clearing all of them and maybe the ERR_SPDY_PROTOCOL_ERROR can be resolved. Here is how to do it:

1) On your keyboard, press the Windows logo key and R at the same time to open the Run dialog. Type %temp% and press Enter.

2) In the pop-up window, on your keyboard, press Ctrl and A at the same time to select all the items. Then press Shift and Delete at the same time to delete them.

3) Open your Google Chrome. On your keyboard, press CtrlShift and Delete at the same time. A data-clearing window will pop up. Then set the time range as All time.

4) Check the boxes in front of Cookies and other site data and Cached images and files. Then click Clear data.

5) Reopen your Google Chrome and visit that web page again.

See if this problem reappears. If not, you’ve fixed this problem. If this problem remains, try the next method.

Fix 7: Use the Chrome cleanup tool

If all the methods mentioned above still don’t work for you, try the Chrome cleanup tool. Follow the steps below to use the Chrome cleanup tool.

1) Open your Google Chrome. Click the menu button in the upper right corner. Then select Settings.

2) In the search bar, type clean and then click Clean up computer.

3) Click Find to check for harmful software.

4) Click Remove if you’re asked to remove unwanted software.

5) Reopen your Chrome to visit that web page again.

If your Google Chrome can open that web page, the ERR_SPDY_PROTOCOL_ERROR is resolved!

Hopefully one of the solutions above can help you resolve this issue. Please leave your comment below if you have any questions.

By Justin Zeng

Justin is a technical writer. As a Microsoft 365 Certified: Modern Desktop Administrator Associate, he loves exploring new technologies and writing technical how-to tips to help people fix their computer / phone issues. When he's not writing, there's a 99 percent chance he's reading, playing video games or listening to music.

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