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.

Staff Asked on July 27, 2017 in Google Chrome.
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2 Solution(s)

Solution 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.

    RE: Err_quic_protocol_error

  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.

Staff Answered on July 27, 2017.
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Solution 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.

    RE: Err_quic_protocol_error

  3. Disable or Uninstall unnecessarily apps.
Staff Answered on July 27, 2017.
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