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Remove ERR_SPDY_PROTOCOL_ERROR (Free Guide) - Removal Instructions

removal by Linas Kiguolis - - | Type: Adware

ERR_SPDY_PROTOCOL_ERROR is a rogue app that blocks users from accessing popular websites on Google Chrome

ERR_SPDY_PROTOCOL_ERROR message example
ERR_SPDY_PROTOCOL_ERROR is a rogue pop-up which can relate in installation of adware and other similar potentially unwanted applications
ERR_SPDY_PROTOCOL_ERROR is an error which Chrome users can encounter while browsing. Usually, people cannot access Google-related sites such as Gmail or YouTube. However, there are several cases when this error affects non-related pages like Tumblr, Facebook, or Wikipedia as well.  Once the browser is corrupted, the user sees the ERR_SPDY_PROTOCOL_ERROR message and is unable to reach the desired website. It is because Google Chrome switched from SPDY protocol to HTTP/2 and stopped supporting the former one[1]. Likewise, people cannot access HTTP enabled pages.  Note that SPDY protocol was initially designed to reduce website load latency and improve web security by manipulating HTTP traffic. However, now users can notice significant slowdowns and other browsing-related problems due to ERR_SPDY_PROTOCOL_ERROR. 

Name ERR_SPDY_PROTOCOL_ERROR
Type Adware/PUP
Spotted  On Chrome browser
Aim To prevent users from accessing Google-related websites
Distributing techniques Via software bundles mostly
Detection  A useful adware detection tool is Reimage
Removal process Remove the rogue pop-up by using anti-malware or the step-by-step guide which ir presented below this article

Even though there are several ways to remove ERR_SPDY_PROTOCOL_ERROR virus, they are only temporary. Therefore, we suggest you fix this problem automatically. For that, get Reimage and run a full system scan. Shortly after, you will be able to enjoy browsing the Internet without any disruptions.

Also, we recommend employing reliable security software since there is a high possibility that your browser will be vulnerable to adware programs once ERR_SPDY_PROTOCOL_ERROR occurs. These PUPs are designed to deliver numerous potentially dangerous ads which deteriorate your computer's performance even more.

If adware[2] appears on your computer thanks to ERR_SPDY_PROTOVOL_ERROR, there is a very big chance that you will start receiving a big variety of annoying and intrusive activities. One of them is advertising. Various pop-up notifications might start promoting rogue products and try to convince you to purchase them. If you do so, you might face unexpected money losses for a completely useless object.

Continuously, all rogue adware apps and other unwanted content that might be brought by ERR_SPDY_PROTOCOL_ERROR also can intrude with your browsing work. This might relate in web browser slowdowns and might infect most used web browser applications such as Google Chrome, Mozilla Firefox, Internet Explorer, Microsoft Edge, and Safari.

You should also be aware that potentially unwanted applications either lead you to malware-laden websites or stealthily infiltrate the viruses[3]. Therefore, stay away from any types of online advertisements and take appropriate measures if you see ERR_SPDY_PROTOCOL_ERROR message on Chrome. 

If you do not want to install additional software, try the manual ERR_SPDY_PROTOCOL_ERROR removal guidelines below. Sadly, we cannot guarantee that the problem will not reappear after some time. Therefore, we suggest you to automatically fix the problem and eliminate other potentially unwanted programs on your computer. 

ERR_SPDY_PROTOCOL_ERROR rogue error message
ERR_SPDY_PROTOCOL_ERROR is a suspicious error message which appears on the Google Chrome web browser application

PUPs can get inside your system together with free software

If you wonder what causes various pop-up errors to show up on your browser, there are several reasons why you are blocked from accessing specific websites, according to NoVirus.uk[4] team. The best case scenario would be that your Google Chrome or another type of browser is outdated. However, numerous potentially unwanted programs might also be corrupting your system.

Since they spread in software-bundles, usually users do not even notice their presence. Developers of such adware programs hide the checkmarks permitting the installation of PUP among the optional components of free software. Likewise, people who choose to install regular programs with Quick/Recommended options are unable to deny the installation of adware. 

You can protect your system by avoiding the latter settings and installing software with Advanced or Custom options. They will disclose the information about additional downloads and allow you to de-select the marks permitting to install potentially unwanted programs alongside. 

Get rid of ERR_SPDY_PROTOCOL_ERROR for good

As mentioned above, there are multiple ways how to remove ERR_SPDY_PROTOCOL_ERROR virus during browsing sessions. However, it is crucial to detect the source of the problem which might be a challenge for a regular computer user. You can try to eliminate the problem with the help of the instructions below. 

Note that if none of them seem to work, we recommend trying automatic ERR_SPDY_PROTOCOL_ERROR removal with specific anti-malware software.[5] These security programs will ensure safe elimination procedure and clean your system from other potential computer threats. 

Method 1. Flush Socket in Google Chrome

  1. Open Chrome and type chrome://net-internals/#sockets in the address bar;
  2. Navigate to the top-right corner of the screen and click on the arrow button;
  3. Select Flush Sockets;
  4. Try re-opening the desired website and see if the error has disappeared.

NOTE: If you are still blocked from entering the page, type chrome://net-internals/#events&q=type:SPDY_SESSION%20is:active and click on Flush Socket Pools to fix the problem.

Method 2. Flush DNS cache from your computer

  1. Open Command Prompt;
  2. Submit the following commands:
    1. Ipconfig/ flush DNS
    2. Ipconfig/ renew
  3. Try visiting the blocked website again.

Method 3. Check Antivirus settings

Those who are using Avast antivirus software should check its settings since it might be the reason why you cannot access individual websites.

  1. Open Settings on the Antivirus software;
  2. Navigate to the active protection;
  3. Select Customize Web Shield Protection;
  4. Add the websites' URL links which you are unable to access.

NOTE: You can also go to the Main Settings and disable HTTPS Scanning to fix ERR_SPDY_PROTOCOL_ERROR. 

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Compatible with Microsoft Windows Supported versions Compatible with OS X Supported versions
What to do if failed?
If you failed to remove virus damage using Reimage, submit a question to our support team and provide as much details as possible.
Reimage is recommended to remove virus damage. Free scanner allows you to check whether your PC is infected or not. If you need to remove malware, you have to purchase the licensed version of Reimage malware removal tool.
Alternative Software
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with SpyHunter.
Alternative Software
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with Combo Cleaner.

About the author

Linas Kiguolis
Linas Kiguolis - Expert in social media

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