So I’ve got some strange error recently where some users were unable to browse to some Google services such as Calendar or Gmail. They get a strange error message in their Chrome browser that says “ERR_QUIC_PROTOCOL_ERROR” after an generic text that says the page isn’t available.

After some digging, turned out that the error code is related to an experimental feature or protocol in Google Chrome that is called “QUIC (Quick UDP Internet Connection)”. The point of this is to make internet browsing a bit faster on Chrome, but sometimes it causes issues like this.


So to fix it, you simply need to disable the feature or thing.. Just follow these instructions:

  1. In Chrome browser address bar, type: chrome://flags
  2. In the flags page, find Experimental QUIC protocol
  3. Click “Disabled” from the options menu on the right side of the protocol row

That’s it, you should now … Read the rest “How to fix the error ERR_QUIC_PROTOCOL_ERROR in Chrome while browsing Google services”