Google Chrome ERR_INVALID_HTTP_RESPONSE: How to Fix It

Easy 10-30 minutes Medium Severity Verified June 2026
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Error Code
ERR_INVALID_HTTP_RESPONSE
Brand
Google Chrome
Product Type
browser
Severity
Medium
DIY Difficulty
Easy
Estimated Fix Time
10-30 minutes
The ERR_INVALID_HTTP_RESPONSE error in Google Chrome means the browser received a response from the web server that does not conform to standard HTTP formatting rules, so Chrome cannot display the page. This typically happens because of a misconfigured server, a corrupted browser cache, a conflicting extension, or a broken network setting on your device. In most cases you can resolve it in a few minutes without any technical expertise by following the steps below.
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Tools You'll Need

How to Fix Error Code ERR_INVALID_HTTP_RESPONSE

  1. Reload the Page and Try a Different Browser

  2. Clear Chrome's Cache and Cookies

    Clearing cookies will sign you out of websites. Make sure you know your login credentials before proceeding.

  3. Disable Chrome Extensions

  4. Disable Chrome Flags and Experimental Features

    Resetting flags may disable experimental features you have intentionally enabled. Note any custom flags before resetting.

  5. Flush DNS Cache and Reset Network Settings

  6. Disable VPN or Proxy Settings

  7. Reset Chrome Network Settings via Command Line

    These commands reset your network configuration. Ensure you have your Wi-Fi password available in case you need to reconnect.

  8. Update or Reinstall Google Chrome

    Back up any bookmarks or saved passwords before uninstalling if you are not signed into a Google account.

  9. Create a New Chrome Profile

  10. Check for Antivirus or Firewall Interference

    Only disable antivirus protections temporarily and in a controlled manner. Re-enable them immediately after testing.
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When to Call a Professional

If you have tried all steps above and the error only occurs on a specific website, the problem is almost certainly on the server side and requires the website administrator or web hosting provider to fix the misconfigured HTTP response headers. Contact the site owner through their support channel or social media. If the error occurs on all websites across multiple browsers and networks, contact your Internet Service Provider (ISP) or an IT professional to inspect your router, modem, or network configuration.

Frequently Asked Questions

What causes the ERR_INVALID_HTTP_RESPONSE error in Chrome?
This error occurs when the web server sends back a response that does not follow the HTTP protocol standard that Chrome expects. Common causes include a misconfigured web server, corrupted Chrome cache, a conflicting browser extension such as a VPN or ad blocker, antivirus HTTPS inspection interfering with traffic, or an outdated version of Chrome.
Does ERR_INVALID_HTTP_RESPONSE mean the website is down?
Not necessarily. If the error appears only in Chrome but the site loads in other browsers like Firefox or Edge, the problem is with Chrome or your local settings, not the website. If the site fails in every browser, there is likely a server-side issue and the website may be experiencing downtime or a misconfiguration.
Can a VPN cause ERR_INVALID_HTTP_RESPONSE?
Yes. VPN extensions or apps route your traffic through a proxy server, and if that proxy returns a malformed or non-standard HTTP response, Chrome will display this error. Try disconnecting your VPN and reloading the page to see if that resolves the issue.
Why does ERR_INVALID_HTTP_RESPONSE only happen on one website?
If the error is isolated to a single website, it almost always indicates that the server hosting that site is returning an invalid or malformed HTTP response, which is a server-side issue. You can report the problem to the website owner. There is usually nothing you can do locally to fix it beyond clearing your cache or trying a different DNS server.
Will clearing cache fix ERR_INVALID_HTTP_RESPONSE?
Clearing the cache is one of the first and most effective fixes to try because Chrome may have stored a corrupt or outdated server response. Go to chrome://settings/clearBrowserData, select 'All time' as the time range, check cached images and files plus cookies, and click Clear data. This resolves the error in many cases.

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