MW2 Error Code 4 – How To Fix

Here are all the ways to fix Error code 4 in Modern Warfare 2 and Warzone 2.

Getting the annoying Error code 4 while playing MW2? If you have Modern Warfare 2 or even COD Warzone 2, you might have encountered this error. A message will pop up on your screen saying, “You have been disconnected from the Call of Duty: Modern Warfare/Warzone servers”. So, you might be wondering what is the reason behind this error. Well, we know that you want to get back to playing the game immediately which is why we have curated this troubleshooting guide for Error code 4 in MW2.

How to Fix Error Code 4 in MW2

cod modern warfare 2 error code 4

Usually, a simple restart of Modern Warfare 2 should help you get rid of this error. However, if you don’t see any change even after doing that, then we can help you out. Check how ways to fix Error code 4 in MW2 on PC, Xbox One, Series S/X & PS4/PS5.

Check MW2 Server Status 

Sometimes, Activision may temporarily take the servers down for maintenance. On the other hand, there can also be a server outage due to other reasons. So, if you’re getting the Error code 4 in MW2, then chances are that the servers are currently offline.

You can check for updates by visiting MW2 server status page or on Downdetector. If they are under maintenance by the devs, then you have no other option but to wait till it is fixed.

Check Network Connection

If the COD servers are up and running perfectly and you’re still facing this error, you should check your internet connection. Since MW2 and even Call of Duty Warzone 2 are online games, you will need to have a stable connection. Even though your internet connection is working, you must check whether it is fast enough (Mbps speed).

This can be done by simply heading to a Speedtest website and testing the speed of your network connection. If your internet speed is fast enough, then you shouldn’t face the Error Code 4 in MW2.

Restart your PC or Console

Lastly, you can also try restarting your PC or console to get rid of this error in Modern Warfare 2. This method will close any problematic background processes on your platform. Also, it can help solve any bug with your router or Ethernet connection.

That’s all you can do to fix Error Code 4 in MW2. We hope that you managed to find this troubleshooting guide helpful. If you need more fix guides for the game, then check out some of them below in our Call of Duty: Modern Warfare 2 section: