In this article, learn how to fix “This site cannot be reached ERR_QUIC_PROTOCOL_ERROR” error when trying to access some websites (Youtube, Gmail…) integrated with Google Chrome.
This site cannot be reached ERR_QUIC_PROTOCOL_ERROR
The major reason causing this error is a protocol named QUIC. QUIC (Quick UDP Internet Connections) is a protocol designed by Google to improve performance for connection-oriented web applications by using UDP (User Datagram Protocol).
Read more: Fix ERR_SSL_PROTOCOL_ERROR on Google Chrome
How To Fix “This site cannot be reached ERR_QUIC_PROTOCOL_ERROR” in Google Chrome
In order to fix this error, you can disable QUIC in Chrome by disabling the enable-quic setting.
Step 1. Open a new tab in Chrome browser.
Step 2. Enter chrome://flags/ into the address bar.
Step 3. Then, find Experimental QUIC protocol.
Step 4. Next, you use the drop-down menu and select Disable.
Step 5. You can now restart Chrome browser.
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The error will be fixed now.
See the following video to learn how to fix “ERR_QUIC_PROTOCOL_ERROR” in Google Chrome:
Thanks for viewing this tutorial, hope something helps you. If you have any other Chrome problems you can see the solution on my blog.
