Err_Spdy_Protocol_Error Chrome Как Исправить

Err_Spdy_Protocol_Error Chrome Как Исправить

The ERR_SPDY_PROTOCOL_ERROR is a common issue faced by many users while browsing the web with Google Chrome. This error is particularly frustrating as it disrupts the browsing experience and prevents access to certain websites. In this guide, we will provide detailed steps and solutions to resolve this error, ensuring a smoother and more reliable browsing experience. By following these comprehensive instructions, users can swiftly address the problem, allowing them to return to their online activities with minimal interruption and improved efficiency.

Understanding Err_Spdy_Protocol_Error Chrome Как Исправить

Before diving into the solutions, it is crucial to understand what the ERR_SPDY_PROTOCOL_ERROR signifies. SPDY, pronounced as “speedy,” is a networking protocol developed by Google to improve web page load times. However, issues can arise due to various reasons such as outdated browsers, conflicts with antivirus software, or problems with website configurations.

Step-by-Step Solutions to Fix ERR_SPDY_PROTOCOL_ERROR

1. Update Google Chrome

One of the most straightforward solutions is to ensure that your Google Chrome browser is up-to-date. An outdated browser can lead to compatibility issues, including the ERR_SPDY_PROTOCOL_ERROR.

  • Open Google Chrome and click on the three vertical dots in the upper right corner.
  • Navigate to Help > About Google Chrome.
  • Chrome will automatically check for updates and install them if available. Once updated, restart your browser.

2. Clear Browsing Data

Accumulated browsing data such as cookies, cache, and history can sometimes cause the ERR_SPDY_PROTOCOL_ERROR. Clearing these data can help resolve the issue.

  • Open Google Chrome and click on the three vertical dots in the upper right corner.
  • Go to More tools > Clear browsing data.
  • Select All time as the time range.
  • Check the boxes for Cookies and other site data and Cached images and files.
  • Click Clear data and restart your browser.

3. Disable Extensions

Extensions can sometimes interfere with browser functionality and cause errors. Disabling them can help identify if one of them is the culprit.

  • Open Google Chrome and click on the three vertical dots in the upper right corner.
  • Go to More tools > Extensions.
  • Disable all extensions by toggling the switch off.
  • Restart Chrome and check if the error persists. If it resolves, enable extensions one by one to identify the problematic one.

4. Flush DNS and Renew IP Address

Flushing DNS and renewing your IP address can resolve network-related issues that might be causing the ERR_SPDY_PROTOCOL_ERROR.

  • Open the Command Prompt as an administrator. You can do this by typing cmd in the Windows search bar, right-clicking on Command Prompt, and selecting Run as administrator.
  • Type the following commands and press Enter after each one:
    • ipconfig /flushdns
    • ipconfig /release
    • ipconfig /renew
  • Close the Command Prompt and restart your computer.

5. Temporarily Disable Antivirus Software

Sometimes, antivirus software can block certain network protocols, causing the ERR_SPDY_PROTOCOL_ERROR. Temporarily disabling your antivirus software can help determine if it is the source of the issue.

  • Right-click on the antivirus icon in the system tray.
  • Select the option to temporarily disable or turn off the antivirus protection.
  • Check if the error persists. If it resolves, consider adding an exception for Google Chrome or updating the antivirus software.

6. Use Google DNS

Changing your DNS settings to Google’s public DNS can help resolve connectivity issues that may be causing the error.

  • Open the Control Panel and navigate to Network and Sharing Center.
  • Click on Change adapter settings.
  • Right-click on your network connection and select Properties.
  • Select Internet Protocol Version 4 (TCP/IPv4) and click on Properties.
  • Select Use the following DNS server addresses and enter the following:
    • Preferred DNS server:
    • Alternate DNS server:
  • Click OK and restart your computer.

7. Reset Google Chrome Settings

Resetting Chrome settings to their default state can help resolve the ERR_SPDY_PROTOCOL_ERROR by removing any misconfigurations.

  • Open Google Chrome and click on the three vertical dots in the upper right corner.
  • Go to Settings.
  • Scroll down and click on Advanced.
  • Under the Reset and clean up section, click on Restore settings to their original defaults.
  • Confirm by clicking Reset settings.

8. Check for Windows Updates

Keeping your operating system up-to-date can resolve compatibility issues that may cause the ERR_SPDY_PROTOCOL_ERROR.

  • Open Settings and go to Update & Security.
  • Click on Check for updates.
  • Install any available updates and restart your computer.

Additional Tips

1. Use Incognito Mode

If you suspect that the error is related to your browsing data or extensions, try using Incognito Mode. This mode disables extensions (unless specifically enabled) and does not use cached data, which can help determine the cause of the error.

  • Open Google Chrome and click on the three vertical dots in the upper right corner.
  • Select New Incognito Window.
  • Try accessing the problematic website in the Incognito window.

2. Contact Website Administrator

If the error persists for a specific website, the issue might be on the server side. Contact the website administrator and inform them about the ERR_SPDY_PROTOCOL_ERROR. They might be able to resolve the issue from their end.

3. Reinstall Google Chrome

As a last resort, consider reinstalling Google Chrome. This can resolve any deep-seated issues that cannot be fixed by other means.

  • Uninstall Google Chrome from your computer.
  • Download the latest version from the official website.
  • Install Chrome and check if the error is resolved.


The Err_Spdy_Protocol_Error Chrome Как Исправить can be a frustrating experience, but with the solutions outlined in this guide, you should be able to resolve the issue and enjoy uninterrupted browsing. By keeping your browser and operating system updated, managing your extensions, and configuring your network settings correctly, you can minimize the chances of encountering this error in the future. Additionally, regularly clearing your browsing data and using reliable DNS settings can further enhance your browsing stability and prevent potential errors from disrupting your online activities.

Remember, troubleshooting can sometimes require a combination of these methods. If one solution does not work, proceed to the next until the error is resolved. Happy browsing!

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