How To Fix ERR_SPDY_PROTOCOL_ERROR In Chrome

Here is how to fix the Chrome error ERR_SPDY_PROTOCOL_ERROR. Simply follow the steps below!

Fix #1

1. Go here (you’ll need to copy paste it into your address bar or type it in): chrome://net-internals/#sockets
2. And click on “Flush Socket Pools”

In the vast majority of cases the error should now be gone.

Fix #2

Clear Chrome’s cookies and data and restart the browser.

1. In the address bar write: chrome://settings
2. Press Enter
3. Scroll down and click on “Show Advanced Settings”
4. Under the Privacy section click on Clear Browsing Data
5. Select the following: “Cookies and other site and plugin data” and “Cached images and files”. Deselect everything else.
6. Make sure that “Obliterate the following items from:” is set to “the beginning of time”
7. Click on “Clear Browsing Data”

Fix #3

If you’re an Avast Antivirus user then you can add the website giving you this error to your Avast exclusion list. Something about Avast seems to be triggering this error so to fix the issue we just tell Avast to ignore the pages that it doesn’t like and the error disappears.

1. Open Avast
2. Click on Settings
3. Click on Active Protection
4. Click on Customize for Web Shield
5. Add each website separately to the URLs to exclude section.