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How do I fix Call of Duty MW3 Error Code 3452?

Alton Alexander
By Alton AlexanderUpdated on June 4th, 2022

The Call of Duty: MW3 Error Code 3452 is a error that is caused by a problem with the game's installation on the player's computer. This error code can be fixed by uninstalling and reinstalling the game, or by verifying the game's files through Steam.

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  • call of duty mw3 error code 3452

1. Check your internet connection

  1. Open the internet browser and type "www.speedtest.net" in the address bar.
  2. Click on the "Speed Test" button.
  3. Enter your internet connection information and click on the "Run Test" button.
  4. The "Speed Test Results" page will display your current internet speed.
  5. If the "Speed Test Results" page displays that your internet speed is below the minimum required speed, then you will need to upgrade your internet connection.
  6. If the "Speed Test Results" page displays that your internet speed is within the recommended range, then you can continue to troubleshoot your internet connection.
  7. If the "Speed Test Results" page displays that your internet speed is below the minimum required speed, then you will need to install a speed booster.
  8. If the "Speed Test Results" page displays that your internet speed is above the recommended range, then you can continue to troubleshoot your internet connection.
  9. If the "Speed Test Results" page displays that your internet speed is below the minimum required speed, then you will need to contact your internet service provider.

2. Restart your router

  1. At the router, press and hold the reset button for more than 10 seconds.
  2. Release the reset button and then press the power button to turn on the router.
  3. Once the router has turned on, press the service button to access the router’s menu.
  4. On the router’s menu, scroll to the “router” heading and press the enter button.
  5. On the “router” screen, scroll to the “status” heading and press the enter button.
  6. On the “status” screen, you should see a message that says “router is restarting.”
  7. After the router has restarted, you should see a new message that says “router is restarting…” again.
  8. Press the enter button to continue the restart process.
  9. After the router has restarted, you should see a message that says “router is restarted.”
  10. You can now use the router.

3. Check your NAT type

  1. In the Xbox One dash, select System.
  2. Select Network Settings.
  3. Select your NAT type.
  4. If your NAT type is Public, please enable UPnP.
  5. If your NAT type is Private, please enable Port Forwarding.
  6. If your NAT type is NAT64, please enable Port Forwarding and UPnP.
  7. If your NAT type is NAT type 514, please disable UPnP.
  8. Reboot your Xbox One.
  9. If the error code 3452 still persists, please contact your ISP.

4. Check your firewall settings

  1. Open the firewall settings of your computer.
  2. Check the allowed programs and ports.
  3. Check the settings for the firewall software.
  4. Check the settings for the anti-virus software.
  5. Check the settings for the anti-spyware software.
  6. Check the settings for the firewall hardware.
  7. Check the settings for the router.

If the answers above didn't work then you should also try:

  1. Check for updates
  2. Delete your temp files
  3. Verify your game files
  4. Run a virus scan
  5. Try playing offline
  6. Try another server