How To Fix COD: Modern Warfare And Warzone Error Code 666688?

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Published on: , Last Updated on September 6, 2023

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In this article, we shared the details about the error code 666688 while playing COD Modern Warfare and Warzone.

As of now, there is no official information on this error but according to the research done by our team, the error code 666688 kicks out the users from the match and shows this error code.

To fix the error Code 666688 first you should check the game’s server status, if game servers are working fine then try troubleshooting the network, game, and device one by one.

COD: Modern Warfare And Warzone Error Code 666688

Fixes For COD: Modern Warfare And Warzone Error Code 666688


Fix 1: Refresh The Connection

Start troubleshooting the error by simply rebooting your home network and then restarting your gaming device.

  • Power off your router and disconnect it from the power source.
  • Then power off your gaming device, and disconnect it from the power source.
  • Then wait for around 5 minutes.
  • Then power on your router first.
  • Then power on your gaming device.
  • Then reconnect your gaming device to the internet.
  • Then check if the error still comes.

Fix 2: Check Game Server Status

If rebooting the device and the internet is not helping with the error then check if the game’s servers are down. To check the game server status you can visit Activision server status page and Activision Twitter account.

Here is how to check the server status from the Activision server status page.

  • Go here.
  • Then from the right side of the screen, tap on the option that says “Select Game”.
  • Then Select your game.
  • Then check if servers are online.

Fix 3: Connect Over Mobile Hotspot

If game servers are online but the error is still coming then try connecting your game device over a mobile hotspot connection, this way you can confirm if the issue is related to the network, or if there is something else that is causing the error. If you don’t receive the error on the mobile hotspot connection then you should troubleshoot your network.


Fix 4: Check For Updates

If the issue is not related to the internet then check if you need to update the game or your gaming device, if there is any update available whether it’s for the game or the device consider installing the update, and then check for the error.


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Rahul Choudhary is a technology and troubleshooting expert. He gives his expert opinion on different technology trends and provides troubleshooting guides for different apps, websites, & consumer hardware products. He graduated in BA English Honours from the University Of Delhi, and later he learned HTML and WordPress. He also did a certificate course in Hardware and Network Troubleshooting , and a certificate course in Computer Architecture.