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Troubleshooting the Google Chrome ‘ERR_SPDY_PROTOCOL_ERROR


If you are experiencing the ‘ERR_SPDY_PROTOCOL_ERROR’ error in Google Chrome, you’ve come to the right place. This error usually pops up in Chrome when attempting to browse various websites, often with an extra error message, “This site can’t provide a secure connection.” Many users find this quite frustrating, as correcting such an issue can be difficult or often unknown. This article shall provide you with some insight on what causes the ‘ERR_SPDY_PROTOCOL_ERROR’ and ways you can solve it. 

First and foremost, all the causes of this error can trace back to a feature in Chrome that was implemented in 2013 called SPDY (pronounced “SPeeDY”). This is an experimental network protocol intended to reduce page loading times, as well as make secured network requests. However, according to Google, the initial version of SPDY was not secure enough and was in need of a few security patches. This caused Chrome to disable access to websites that was not SPDY compatible, thereby displaying the error for users. 

Luckily, there are a few methods you can try to help you in  fixing the ‘ERR_SPDY_PROTOCOL_ERROR’. 

1) Disable the QUIC Protocol: While this feature is intended to help websites load faster due to improved speed, the older version of Chrome might not be equipped enough to handle it and therefore might try to prevent websites that aren’t secure. If it is, you can easily disable this protocol by going to the ‘chrome://flags’ page and find the “Experimental QUIC Protocol” option. Choose the “Disable” option and then restart Chrome. 

2) Clear Your DNS Cache: It is possible that the website you are trying to view is lodging some old cached data that is causing the error to appear. Clearing your DNS cache is a simple process and can be done in a few quick steps. Open up the Command Prompt and write ‘ipconfig/flushdns’. Hit Enter and this will clean your DNS cache. 

3) Disable Antivirus and Firewall Softwares: The problem might be with your antivirus or firewall softwares not being able to handle the particular website. Temporarily disabling these applications might help. Once you have disabled them  try reloading the page. 

4) Clear Your Browsing Data: This method might help you in dealing with the error. Simply go to ‘Settings’ > ‘Privacy’ > ‘Clear Browsing Data’, and clicking on ‘clear’. This should clear your browsing data, making sure that there are no suspicious applications running in the background.

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It’s worth noting that disabling the QUIC Protocol and Clearing your DNS Cache should be the first steps you take in attempting to fix the error. If these don’t work, you can try the other methods mentioned above. Chances are one of them will help you with the issue.

 How to Fix ERR_SPDY_PROTOCOL_ERROR in Google Chrome

The ERR_SPDY_PROTOCOL_ERROR is a common error that happens when a user tries to access a page or resource in Google Chrome. This can be highly disruptive, as it will prevent users from accessing pages or resources on the website. Fortunately, there are a few different steps you can take to resolve this issue and ensure a smooth web browsing experience.

First, it’s important to understand that this error is a result of a problem with the SPDY protocol. SPDY is the Google-developed equivalent of the HTTP protocol and is responsible for allowing web pages to load and transmit data faster. If there’s a problem with the protocol, then the webpage won’t be able to load properly, resulting in the ERR_SPDY_PROTOCOL_ERROR. 

To fix the issue, users can try disabling the SPDY protocol in their browser and instead enable the regular HTTP protocol. To do this, open Chrome’s Settings page and enter “Chrome://flags” in the address bar. Once you’re in the “flags” section, search for the “SpDY/4” and click on “Disable  “ to enable the regular HTTP protocol.

Another fix is to clear your browser’s cached data and cookies. These enable websites to keep track of user details for faster loading, but can sometimes get corrupted, leading to errors like the ERR_SPDY_PROTOCOL_ERROR. To clear cached data, go to the three-dot menu in Chrome, select “More Tools” and click on “Clear Browsing Data”. On the next page, you can select “Cached Images and Files” and click on “Clear Data”.

Finally, users can also check their browser’s settings to make sure that there are no issues with the proxy settings and that they’re configured properly. To do this, go to the three-dot menu and click on “Settings”. Under the “Advanced” section, select “Open Proxy Settings” and make sure that the settings are correct.

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If all else fails, you can try reinstalling the Chrome browser or updating it to the latest version. This should resolve any issues with the browser and, in turn, any issues related to the ERR_SPDY_ 


Guiding Steps to Resolve the ERR_SPDY_PROTOCOL_ERROR in Chrome

Are you facing the ERR_SPDY_PROTOCOL_ERROR in Chrome? It is an annoying issue that disrupts your session on the browser.

The ERR_SPDY_PROTOCOL_ERROR usually occurs when your Chrome is unable to retrieve the web page. It is a quite common error among Chrome users however; the good news is that it is fixable.

In this article, we will discuss the steps you should take to help you resolve the ERR_SPDY_PROTOCOL_ERROR and get back to an uninterrupted browsing experience.

  1. Clear browser caching

The accumulated browser cache files can cause the ERR_SPDY_PROTOCOL_ERROR. To clear the browser cache in Chrome, open the Chrome menu, select More tools > Clear browsing data, and select Clear data.

  1. Reset TCP/IP

The ERR_SPDY_PROTOCOL_ERROR may be caused by a corrupted internet connection. To reset the TCP/IP stack and reset your internet connection, launch the command prompt, enter the command “netsh int ip reset resetlog.txt”, and reboot your system. 

  1. Change antivirus software

If using an antivirus such as Norton, you might make appropriate changes to your setup and test Chrome again. To adjust the settings, open Control Panel > Uninstall a program, double-click Norton, and click the Change/Remove button.

  1. Flush the DNS

Flushing the DNS can help you fix the ERR_SPDY_PROTOCOL_ERROR if it’s being caused by DNS errors. To flush the DNS, open the command prompt, enter the command “ipconfig /flushdns” and reboot your system.

  1. Disable the SPDY protocol

The SPDY protocol can sometimes cause the ERR_SPDY_PROTOCOL_ERROR. To disable the SPDY protocol, open the Chrome menu, select More tools > Extensions, and disable the SPDY protocol.

  1. Update your Chrome

An outdated version of Chrome can lead to the ERR_SPDY_PROTOCOL_ERROR. To update your Chrome, open the Chrome menu and select Help > About Google Chrome.

If none of the above instructions is helpful in solving the ERR_SPDY

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