If you’re getting ERR_SPDY_PROTOCOL_ERROR page in Google Chrome browser when you visit Google sites –Gmail, YouTube, etc.– or other sites like Reddit, Wikipedia and Tumbler, etc. When reloading the page followed by restarting of the browser and clearing the cache hasn’t helped, then try this fix.


I. 1. Visit  chrome://net-internals/#sockets page from the browser address bar

2. Click on ‘Flush Socket Pools’,  and check the page or site you’re having the problem to see its loading properly.

Chrome net internals sockets page

II. Open command prompt as administrator Flush the DNS by running the below command.


After that, run the below commands which renewes IP address.



III.  If you’re using Avast, try to add the websites, to which you’re getting the error to the Web Shield exclusions, here is how you can do that.

Open Avast GUI > Settings > Active Protection, click on Customize for ‘Web Shield’ and add website addresses one by one under ‘URLs to exclude:’ section.

Ensure you’ve restarted the browser and cleared the Chrome cache before attempting above methods to fix err spdy protocol error.