Errors are prevalent on the internet, and when surfing, you would have encountered a lot of errors attempting to limit your productivity. Some computer faults are more targeted than others, and some are so precise that they only impact specific Internet browsers and not others.

When using Chrome to access popular websites such as Gmail, Wikipedia, Facebook, Twitter, and Youtube, you will see the error “This website is not accessible with error code: ERR SPDY PROTOCOL ERROR.”

These problems might be caused by the server (out of your control), browsers, or a change in your PC settings. The err the SPDY protocol error in Chrome might prohibit you from visiting your favorite websites.

If you find yourself in this scenario, read our through post where we’ve outlined numerous solutions to repair ERR SPDY PROTOCOL ERROR in Google Chrome quickly and effectively. One of these will resolve the issue, and you will be able to visit your favorite website as soon as possible.

What Is SPDY in Google Chrome?

Let’s get a quick glance at SPDY.

SPDY (declared “speedy”) is a discontinued open-specification communication protocol designed primarily for delivering web content at Google. SPDY tries to control HTTP traffic to reduce web page load time and improve online security.

SPDY is a Google Chrome networking technology in a nutshell. SPDY is a solution aimed to address some of HTTP’s more severe problems. SPDY optimizes HTTP traffic as it travels over the Internet, resulting in a 28 – 64 percent performance increase for some of the world’s most popular websites. SPDY changes data as it traverses a session, optimizing bandwidth use to provide a quicker user experience.

What Does It Mean by “ERR_SPDY_PROTOCOL_ERROR in Chrome”?

When the ERR SPDY PROTOCOL ERR message displays, indicating that the web page you are attempting to access is inaccessible, it implies that the browser no longer supports the SPDY protocol. The SPDY protocol is pre-installed in Chrome. As a result, the “ERR_SPDY_PROTOCOL_ERROR” problem is exclusive to Chrome.

This most frequently occurs when you attempt to use a Google-owned website, such as Gmail or YouTube. PDY is an open-specification networking protocol that has been deprecated (Speedy). Furthermore, SPDY is a Chrome protocol meant to load a webpage while also providing online security. It may also help with the resolution of several common HTTP problems.

HTTP, for instance, can only download a single file at a time, but SPDY can download many files simultaneously. This error may signal that your network security, IP setup, or internet connection has some problems. Sometimes the issue is as easy as using an out-of-date browser.

This problem may interfere not just with the site you’re attempting to access right now but with others in the future as well. There are several methods for resolving the ERR SPDY PROTOCOL ERROR in Chrome, depending on the cause.

How to Fix the ERR_SPDY_PROTOCOL_ERROR in Chrome

Now let’s get down with our main event and learn about how you can fix the problems. Use the simple steps below.

Step 1: Restarting your browser

Well, this step, which in my opinion is kind of a “Technological Superstition.” I know not everyone will agree with me on this. Just simply click the “cross” button at the top-most right side of your browsing screen and re-open at the same place. This is just a quick fix, and you can face the same problem; yes, there is a possibility. Most of the time, the problem gets fixed. But if it isn’t, then follow the next step.

Step 2: Using “Incognito Mood”

Actually, it is one of the most valuable hacks of all. All you have to do is press “CTRL+SHIFT+N,” or just click the “three vertical dots” and click the “New Incognito Window” option.

Just like restarting your browser, it is also a quick fix. But there is a more effective step you can try if it fails to fix the problem. Follow the next step.

Step 3: Updating your browser

Now, this step could be a bit tricky for some people, but don’t worry as we have put the steps picture-wise. Just follow the process. 

But first, do check your chrome if it is being updated already. To check it, 

First, click on the three vertical dots in the upper right-hand corner of your browser. Then go to Help > About Google Chrome.

This option will appear and let you know about the version you are using right now. Then if there is a chance of updating your browser it will start updating. After this update, don’t go straight using the browser. Restart the browser following step one and try to get to your desired site.

If you are still facing problems, then try the next step. [ Most probably you won’t need to]

Step 4: Clean the DNS and Renew the IP

If you’ve done everything above and you’re still getting the ERR SPDY PROTOCOL ERR message, the problem might be with your Domain Name System (DNS).

  1. While on the desktop, press Windows Key and type CMD.
  2. Right-click Command Prompt and select Run as administrator.
  3. Type ipconfig /release in the command prompt and press the Enter/Return key on your keyboard.
  4. Wait a few seconds for a reply that the IP address has been released.
  5. Type ipconfig /renew in the command prompt and press the Enter/Return key on your keyboard.
  6. Wait a few seconds for a reply that the IP address has been re-established.
  7. Type ipconfig /flushdns in the command prompt and press the Enter/Return key on your keyboard.
  8. Close the command prompt and attempt to make a connection.

Step 5: Flush Spdy Sockets In Google Chrome

If you’ve followed all of it mentioned and are still receiving the ERR SPDY PROTOCOL ERR warning, flushing the SPDY sockets can rapidly resolve the issue. The steps for flushing the sockets are shown below.

  1. First, Copy the URL, ‘chrome://net-internals/#events&q=type:SPDY_SESSION%20is:active’ then paste it on the Chrome address bar. Remember to deselect the quotes. Then you will see a window like below
  2. You will find a small drop-down arrow on the RED strip’s upper right-hand corner in your browser window. Then you have to click on Flush Sockets.
  3. After that, you just have to restart the browser and start from the same place again. The browser will notify you with a success message.

Step 6: Clearing Browser Cache

This is very important. Most of the time, we forget to clear our browsing history. If you need to make your way back to a possibly forgotten corner of the internet you visited once upon a time, a browser will keep your history eternally. The truth is that it may be used against you by significant others, friends, coworkers, instructors, and even law enforcement. Even if it is our very own personal computer. 

Just follow the steps below;

  1.  On your computer, open Chrome.
  2. At the top right, click More More.
  3. Click More tools and then Clear browsing data.
  4. At the top, choose a time range. 

To delete everything, select All time.

  1. Next to “Cookies and other site data” and “Cached images and files,” check the boxes.
  2. Click Clear data.

Step 7: Clearing Browser Cache

This is very important. Most of the time we forgot to clear our browsing history. If you need to make your way back to a possibly forgotten corner of the internet you visited once upon a time, a browser will keep your history eternally. The truth is that it may be used against you by significant others, friends, coworkers, instructors, and even law enforcement. Even if it is our very own personal computer. 

Just follow the steps below;

On your computer, open Chrome.

At the top right, click More [The Three Vertical Dots].

Click More tools and then Clear browsing data.

At the top, choose a time range. To delete everything, select All time.

Next to “Cookies and other site data” and “Cached images and files,” check the boxes.

Click Clear data.

Step 8: Check If Your Anti-Virus Is Causing The Problem

Anti-virus software can sometimes block particular websites. So, if you keep getting this problem when visiting the same page and have an anti-virus application installed, please let us know. If your antivirus or firewall is interfering with the ability of the webpage to load, you must tell the program that the website is safe.

Launch your antivirus program. You must locate the option in your antivirus menu that allows you to enter a URL to exclude from protection. This is often located under a “Protection” option, although each antivirus and firewall is different.

Other antivirus systems may also block specific websites at times. We propose temporarily disabling your antivirus or internet security application to identify the specific cause of this problem.

Disabling it for a short while may help to address the problem. The problem is resolved by disabling the antivirus program, and you should think about switching to a different antivirus program.

FAQ

  • Question: Can I repair Google Chrome?

Answer: A application or procedure that is presently executing on your computer may be interfering with Chrome. You might try restarting your computer to see if it solves the problem. Chrome may be uninstalled and reinstalled to resolve issues with your search engine, pop-ups, updates, or other issues that may have stopped Chrome from launching.

  • Question: How do I know if Chrome is blocking antivirus?

Answer: If you’re wondering how to see if your antivirus is blocking Chrome, the procedure is identical. Open your preferred antivirus program and look for an authorized list or exception list. You should include Google Chrome in that list as well. After that, double-check to see whether Google Chrome is still prohibited by your firewall.

  • Question: Why can I not uninstall Google Chrome?

Answer: If you still can’t remove Chrome, look for any Chrome processes running and terminate any that you discover. Simply right-click the first chrome process in the list and select End job. Repeat until all other Chrome processes have been terminated.

  • Question: What Does Err_spdy_inadequate_transport_security Mean?

Answer: The ERR_SPDY insufficient transport security Chrome issue might occur while browsing sites hosted on IIS 10. Some Chrome users on Windows Server reported receiving an ineffective transport security notice. One of the most apparent methods to avoid this problem is to use a different browser.

Closing Words

One of the techniques listed above should have resolved the issue if you get the ERR SPDY PROTOCOL ERROR when attempting to load a web page in Google Chrome. You may be unable to visit your favorite websites if you receive the ERR_SPDY protocol error notice. This problem is readily solved by using the strategies mentioned in this article.

If you continue getting this problem when visiting the same page, it’s conceivable that the answer is in one of these approaches. You may be unfamiliar with the technologies involved, and however, if you simply follow the instructions, one of these solutions should work for you.

The ERR_SPDY protocol error message is quite common, and the techniques for resolving it listed above have all been utilized successfully depending on the cause of the error.