How To Fix ERR_SPDY_PROTOCOL_Error In Google Chrome

Err_Spdy_Protocol_Error in Chrome is the common networking glitch. Even though Google Chrome is an efficient and fast browser that fulfills all the browsing needs, still, we may encounter some of its common errors such as Your Connection Is Not Private, ERR_SPDY_PROTOCOL_Error followed by a detailed message.


Before proceeding towards the resolution, let’s understand what is err_spdy_protocol_error in chrome is.

What Is Err_Spdy_Protocol_Error ?

So, this error often comes up when you trying to visit pages related to Google, such as Gmail, YouTube and so on. Additionally, there was an open- specification networking protocol that was primarily developed at Google for transferring web content. SPDY is (Speedy) deprecated of open-specification networking protocol.

Moreover, SPDY is a protocol of Chrome which is designed to load a webpage and to offer web security.

Below are the fixes of Err_Spdy_Protocol_Error Chrome:

Fix 1 – Update Chrome Browser

  • Locate the pointer on the upper right side corner and click on three dots.
  • Here, select Settings.


  • Navigate to About Chrome in the left pane.

About chrome

  • Now, on the right side, you can see the updates of the Google Chrome browser.

Google Chrome browser

Through this fix, you can get rid of the  SPDY Protocol Error. If not, jump to the next fix.

Fix 2 – Clean Cashes To Fix ERR_SPDY_PROTOCOL_Error In Chrome

  • As the above step, navigate to the three dots in the upper right side.
  • Now, click on More Tools > Clear Browsing Data.

Clear Browsing Data

  • Now checkmark the boxes of cache, cookies, and history (if you want to delete the history too)

cache, cookies, and history

Here you go, this might toss out  ERR_SPDY_PROTOCOL_Error.

Fix 3- Flush Spdy Sockets In Google Chrome To Halt SPDY Protocol Error

  • Copy the following link in the Chrome address bar “chrome://net-internals/#sockets”, without quotation mark.
  • Here, tap on Flush socket pools

Flush socket pools

  • Close your browser and open it after 15-20 seconds.

Here you go! Check whether this solution will help you resolve the issue or not.

Fix 4- Clear Temporary Files On Window 10 To Get Rid Of SPDY Protocol Error.

  • Press Windows key and R together to open the Run box.
  • Type %temp% in the Run box and hit enter.


  • Now, you will get the temporary files and folders on Windows 10.

temporary files and folders

  • Delete all the temporary files and folders from your system.

Now check whether after executing this step, the issue is still occurring or not.

Fix 5- Flush the Windows 10 DNS Cache To Stop ERR_SPDY_PROTOCOL_Error In Chrome

  • Press Windows key and R together to open the Run box.
  • Type CMD and press Ctrl+Shift and Enter key to Run it as Administrator.
  • Enter the following command ipconfig/flushdns in the Command Prompt window.

Command Prompt window

  • Here you go, the DNS Cache has been flushed from your system and this should do the magic.

Final Word

When you check on the right fix to resolve the issues, it always gives you the exact solutions. In this article, we have shared the fix to ERR_SPDY_PROTOCOL_Error  In Google Chrome, so that you can enjoy browsing without any interruption.

We Are All Ears

If you got any other way to resolve SPDY Protocol Error share in the comment box below. We hope you liked this article. Don’t forget to upvote and share with fellow technophiles. If you want to get a newsletter for some helpful tips and tricks subscribe to us now.


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