Trouble Loading Sites on Chrome Browser: ERR_QUIC_PROTOCOL_ERROR

Description

When clicking on the Microsoft applications when signed into office.com, users are getting ERR_QUIC_PROTOCOL_ERROR when using the Chrome browser.

Table of Content:

• Disabling the Experimental QUIC protocol in settings
• Disabling Chrome browser extensions
• Changing Windows proxy setting

Resolution/Troubleshooting

Solution 1: Disable the QUIC protocol 

1. Type "chrome://flags/" into the Chrome browser address bar and the type "quic" into the search 
2. Change from default to disabled in the drop-down
   • You should get a prompt to re-launch Chrome, if not then close the browser

Note: If this does not resolve the problem, try solution 2.

Solution 2: Disable Chrome Extensions

1. Type "chrome://extensions/" in the Chrome browser address bar 
2. Disable all extensions, then re-enable them one-by-one to find which one is causing the problem.
   • If there is an extension that was installed before getting the error, start by disabling that extension first 

Note: If this does not resolve the problem, try solution 3.

Solution 3: Check Proxy Settings with Windows

1. Type "internet options" into the Windows search box 
   • Select the connections tab, then, select LAN setting

2. Make sure that the Use a proxy server for your LAN setting is unchecked. Then, click OK and then Apply. You might also need to restart your computer if you made a change.