Err_quic_protocol_error

What is Err_quic_protocol_error?

Err_quic_protocol_error is an error that is usually caused by a protocol called QUIC. Third-party extensions installed on Chrome can also a source of the error.

How can you fix Err_quic_protocol_error?

Some of the solutions to this error include disabling the experimental QUIC protocol and disabling or uninstalling a plugin.

Please see our in-depth walk-through solutions below.

• Disable Experimental QUIC protocol
• Disable or Uninstall plugin

1. Disable Experimental QUIC protocol

" Err_quic_protocol_error" may occur if you have enabled **Experimental QUIC protocol.**Disabling it may fix the error. To disable it, please see instructions below.

1. Open a new tab in Chrome.
2. Type in chrome://flags/ into the address bar.
3. Look for Experimental QUIC protocol.
4. Click the drop-down menu, and select disable.
5. Restart Google Chrome and try browsing.

If the error still persists, check the Experimental QUIC protocol if it is still enabled. An extension/ plugin may be enabling it. Please see solution 2.

2. Disable or Uninstall plugin

"Err_quic_protocol_error" may also occur if an extension/ plugin is enabling Experimental QUIC protocol even if you have not enabled it. Please uninstall unwanted extension/ plugin in your Google Chrome by checking the steps below or watch it here on YouTube.

1. Open a new tab in Chrome.
2. Type this in chrome://extensions/ into the address bar.
3. Disable or Uninstall unnecessarily apps.