What should you do when you meet ERR_SPDY_PROTOCOL_ERROR in your Chrome? If you have no idea, then this post is what you need. You can find several useful methods in this post. And if you want to fix other errors that appeared in Chrome, you can go to the MiniTool website.

Although Google Chrome is very useful, you can meet some errors such as ERR_SSL_BAD_RECORD_MAC_ALERT and ERR_EMPTY_RESPONSE when using Chrome. And this post focuses on ERR_SPDY_PROTOCOL_ERROR, so you can know how to fix ERR_SPDY_PROTOCOL_ERROR Chrome error after reading this post.

Method 1: Update Your Chrome

If your Chrome is not up to date, you can usually get rid of ERR_SPDY_PROTOCOL_ERROR by updating your Chrome. To do that, follow the steps below:

Step 1: Open Chrome at first, and then click the three vertical dots on the top right corner to choose Help > About Google Chrome.

update your Chrome

Step 2: Wait for the scanning to finish and then click Update Chrome. Then wait for the new version to be installed.

Step 3: Restart your Chrome to see if ERR_SPDY_PROTOCOL_ERROR is fixed. If not, try the next method.

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Method 2: Flush DNS Using Command Prompt

If there is something wrong with your network, then you can also meet ERR_SPDY_PROTOCOL_ERROR. So in order to get rid of the error, you should flush DNS using Command Prompt. Here is a quick guide on how to do that:

Step 1: Type cmd in the search box, and then right-click the Command Prompt to choose Run as administrator. Click OK.

Step 2: In the Command Prompt window, type the following commands one by one, and remember to press Enter after typing every command.

ipconfig /flushdns
ipconfig /release
ipconfig /renew

Step 3: After the process is completed, close Command Prompt and then restart your browser to check if the error is gone.

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Method 3: Flush SPDY Sockets in Chrome

Sometimes, you can get rid of ERR_SPDY_PROTOCOL_ERROR by flushing SPDY sockets in Google Chrome. To do that, follow the instructions below carefully:

Step 1: Open your Google Chrome, copy and paste the following URL inside the address bar, then press Enter.

chrome://net-internals/#events&q=type:SPDY_SESSION%20is:active

Step 2: Click the down arrow in the top right corner and then choose Flush sockets.

click Flush sockets

Step 3: Restart your Chrome to check if the error is fixed.

If the error still exists, then do the following:

Step 1: Type chrome://net-internals/#sockets inside the Chrome address bar, and then press Enter.

Step 2: Click Flush socket pools.

click Flush socket pools

Step 3: Restart your Chrome to see whether the error disappears. If not, try the next method.

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Method 4: Clear Browsing Cache

You can meet ERR_SPDY_PROTOCOL_ERROR because of overloaded browser cache, then you can try clearing Google Chrome browser data to fix the error. Here is the way to do it:

Step 1: Launch Google Chrome, then press the Ctrl, Shift and Delete keys at the same time to open the Clear Browsing Data window.

Step 2: Under the Advanced tab, set Time range to All time, check all the boxes, and then click Clear Data.

click Clear data

Step 3: After finishing the steps above, restart Google Chrome and then check if the error is fixed

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Bottom Line

This post focuses on ERR_SPDY_PROTOCOL_ERROR, so you can find four useful methods mentioned in this post. If you meet the error when you are using Google Chrome, try the methods.

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