Fix Chrome err_spdy_protocol_error

Google Chrome has a number of reported bugs, and one such error is err_spdy_protocol_error. In short, if you will face this error, then you will not be able to visit the webpage, and along with this error, you will see “This webpage is not available” message. There can be a number of reasons as to why you are facing this error, but one of the most common reasons seems to be the issue related to SPDY sockets. So without wasting any time, let’s see how to actually fix this error with the below-listed troubleshooting steps.

Fix Chrome err_spdy_protocol_error

Fix Chrome err_spdy_protocol_error

Make sure to create a restore point just in case something goes wrong.

Method 1: Flush SPDY Sockets

1. Open Google Chrome and then visit this address:


2. Now click on Flush socket pools to flush SPDY sockets.

Now click on Flush socket pools in order to flush SPDY sockets

3. Restart your Browser and check if the issue is resolved or not.

Method 2: Make sure your Chrome browser is up to date

1. In order to update Google Chrome, click Three dots on the upper right-hand corner in Chrome then select Help and then click on About Google Chrome.

navigate to Help About Google Chrome | Fix Chrome err_spdy_protocol_error

2 . Now, make sure Google Chrome is updated if not, you will see an Update button and click on it.

Now make sure Google Chrome is updated if not click on Update

This will update Google Chrome to its latest build which could help you Fix Chrome err_spdy_protocol_error.

Method 3: Flushing DNS and Renew IP Address

1. Right-click on Windows Button and select “Command Prompt(Admin).

command prompt with admin rights

2. Now type the following command and press Enter after each one:

ipconfig /release
ipconfig /flushdns
ipconfig /renew

Flush DNS  |Fix Chrome err_spdy_protocol_error

3. Again, open Admin Command Prompt and type the following and hit enter after each one:

ipconfig /flushdns
nbtstat –r
netsh int ip reset
netsh winsock reset

netsh int ip reset

4. Reboot to apply changes. Flushing DNS seems to Fix Chrome err_spdy_protocol_error.

Method 4: Clear Google Chrome History and Cache

1. Open Google Chrome and press Ctrl + H to open history.

2. Next, click Clear browsing data from the left panel.

clear browsing data

3. Make sure the beginning of time is selected under Obliterate the following items from.

4. Also, check to mark the following:

  • Browsing history
  • Download history
  • Cookies and other sire and plugin data
  • Cached images and files
  • Autofill form data
  • Passwords

clear chrome history since the beginning of time | Fix Chrome err_spdy_protocol_error

5. Now click Clear browsing data and wait for it to finish.

6. Close your browser and restart your PC.

Method 5: Run Chrome Cleanup Tool

The official Google Chrome Cleanup Tool helps in scanning and removing software’s that may cause the problem with chrome such as crashes, unusual startup pages or toolbars, unexpected ads you can’t get rid of, or otherwise changing your browsing experience.

Google Chrome Cleanup Tool


That’s it you have successfully Fix Chrome err_spdy_protocol_error but if you still have any questions regarding this post then feel free to ask them in the comment’s section.

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