In this tutorial, you will learn how to fix ERR_SPDY_PROTOCOL_ERROR in Chrome. Sometime when you try to open a page you will get  “This webpage is not available” followed by “ERR_SPDY_PROTOCOL_ERROR.

When you look at the ERR_SPDY_PROTOCOL_ERROR details it says the web address you are trying to open is either down or it has been moved to permanently to a new address. This error occurs in Chrome due to the several reasons like IP configuration errors, DNS problems, slow internet connection e.t.c. Some time Restarting chrome can fix the err spdy protocol error. If you are getting continuously This webpage is not available” followed by “ERR_SPDY_PROTOCOL_ERROR here are the solutions for the problem.

How to fix ERR_SPDY_PROTOCOL_ERROR in Chrome.

Solution#1 Flush the SPDY_SESSION

Type chrome://net-internals/#events&q=type:SPDY_SESSION%20is:active in Chrome Address bar and press enter or simply copy and paste it.


At the top Right corner there is a small drop down arrow click on it to see the menu. Choose Flush Sockets.


It will fix the ERR_SPDY_PROTOCOL_ERROR try to open a site you will not get This webpage is not available.

Solution#2 Using CMD to fix  ERR_SPDY_PROTOCOL_ERROR

Press Windows key+x to get Power User Menu and choose Command Prompt (Admin) from the menu or simply run CMD as Administrator.

Run the following Commands one by one.

ipconfig /release
ipconfig /all
ipconfig /flushdns
ipconfig /renew

netsh int ip set dns
netsh winsock reset

Restart your Computer to fix the err spdy protocol error. If you are still getting This webpage is not available followed by ERR_SPDY_PROTOCOL_ERROR do let us know by commenting below we will be more than happy to help you.

Also Read: How to speed up Windows 10

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