Tips to fix ERR QUIC PROTOCOL ERROR in Google Chrome

If you fail to open any website and instead of being able to see the page opening you receive “ERR QUIC PROTOCOL ERROR message” in Google Chrome, here are few things you can try as a solution to troubleshoot this error.

ERR_QUIC_PROTOCOL_ERROR

You may have received this error message possibly when attempting to access particular web pages that are integrated with Google such as YouTube or Gmail. However, some of the other websites can also be targeted sometime. You see this message usually when the URL is down. If you know that the site is not down but still see the same note, you may need to fix further.

Fixing ERR_QUIC_PROTOCOL_ERROR

#1 Disable QUIC Protocol

As said by Wikipedia, QUIC is an experimental transport layer network protocol available in Google Chrome for establishing a connection between two endpoints over UDP. If something is wrong with the development side, you are more likely to get this error message while opening any website in Google Chrome. Thus, you can try disabling this experimental protocol in your browser and then check whether the issue remains or not.

  1. Open the Google Chrome and enter this in the address bar:
    • chrome://flags/
  2. After that, you need to search for Experimental QUIC protocol.
  3. Doing so will now set it to Default.
  4. You have to expand the drop-down menu and then select Disable/Turn off.
  5. Now, simply restart the browser and see if it works for you.

#2 Turn VPN/Proxy off when logging into your ISP’s account

Some of the ISPs are there, by which a particular method is used to differentiate user accounts. For security reasons, they contain a login prompt before the user can actually start using the internet.

In such case, as mentioned, a username and password are mandatory to log into your ISP provided user account.

If you have both username and password, you need to login first.

A straightforward workaround would be to turn off your VPN or Proxy while you log in to your user account.

When using an ISP for the first time and not having any username or password, asking your ISP if they have such a protocol for you or not will help you.

All the best!

About us :

Emma Justine is a Microsoft Office expert and has been working in the technical industry since 2002. As a technical expert, Emma has written technical blogs, manuals, white papers, and reviews for many websites such as office.com/setup.

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