However, players also complain about other issues like Call Of Duty: Modern Warfare not saving settings after tweaking it.

What causes the exe/bad_challenge error in Modern Warfare 2?

The exe/bad_challenge error in Call Of Duty: Modern Warfare 2 can occur for many reasons. It is a recurrent error for many players who play on consoles like PS4, PS5, & Xbox. The error sends players back to the menu and prevents them from playing multiplayer. There are no clear causes of the exe/bad_challenge error in Call Of Duty: Modern Warfare 2. However, some potential factors that may add to the chances of you getting the error are:

Waiting in the Lobby after entering matchmaking – Many players report that they got the error and got sent back to the starting screen of the game whenever they are in the lobby after matchmaking. The bug will be prompted if you don’t engage in something else or move elsewhere. Outdated game version – Playing an obsolete game version on your console can result in serious PlayStation 4 errors and leave your game vulnerable to bugs attack. It may cause the exe/bad_challenge error. The cross-play option is enabled – Players may encounter the exe/bad_challenge error in Modern Warfare due to the Crossplay feature. However, it’s at a disadvantage as it’ll affect your chance of playing with players from other platforms.

Nevertheless, various players may encounter the exe/bad_challenge error in Modern Warfare 2 for different reasons. Hence, we’ll take you through some general fixes for the error.

How do I fix the exe/bad_challenge error in Modern Warfare 2?

There are a few solutions for the exe/bad _challenge error in Modern Warfare that you can try. However, we recommend you observe these preliminary checks before proceeding:

First, restart your console to refresh its process. Connect to a stable and fast network connection.

If the error persists, try the following steps:

1. Don’t wait in the lobby

Players should leave the lobby after joining the game and go to the weapons section. It’ll give the bug no chance of disrupting your game or sending you back to the start. Also, you don’t have to do anything wherever you go; wait until your game is ready. SPONSORED

2. Update the game to its latest version

2.1 Update Modern Warfare 2 on PlayStation 4 & 5

On the next page, you will either find an available update to install on your console or receive a message saying you have the latest version.

2.2 Update Modern Warfare 2 on Xbox One & Xbox Series X/S

Updating your game can fix bugs and security issues, causing it to run into exe/bad_challenge errors in MW2. Read how to fix Xbox One games and apps not working if you can’t access Modern Warfare 2 on your console.

3. Turn off Crossplay

3.1 Turn off Crossplay on Modern Warfare 2 on PS4 & PS5

3.2 Turn off Crossplay on Modern Warfare 2 on Xbox

Many players have confirmed that turning off the Crossplay option fixed the exe/bad_challenge error in MW2, so we recommend you try it. For readers having trouble starting their console, check how to fix Xbox taking too long to start and get it working. In conclusion, readers can check our article on how to fix Call Of Duty: Modern Warfare not saving settings on their devices. Also, we have a detailed guide you can use to fix Modern Warfare packet loss on your device. If you have further questions or suggestions, kindly leave them in the comments below.

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