How to fix exe/bad challenge error in MW2

Call of Duty is an incredibly popular franchise, and Call of Duty Modern Warfare 2 has hit a new high for the series. It has seen record sales, player counts, and a few issues, including the exe/bad challenge error. This may leave you wondering how to fix the exe/bad challenge error in Modern Warfare 2.

How to fix the Call of Duty Modern Warfare 2 exe/bad challenge error

Unfortunately, there is no official way to fix the exe/bad challenge error in Call of Duty Modern Warfare 2. But there are some ways to get around it and keep playing the game. We recommend trying the following solutions to fix the exe/bad challenge error in Modern Warfare 2.

Related: All Field Upgrades and how they work in MW2

• Verify your game is up-to-date.
• Restart Call of Duty Modern Warfare 2.
• Restart your platform.
• Uninstall and reinstall the game.

Outside of these methods, some players are reporting that they could get around the exe/bad challenge error by going into the weapon loadout as soon as they were queued for a game and staying there until the game started. This method doesn't work every time, but it can relieve this annoying issue until Activision or Infinity Ward addresses it in a patch or update.

For more information on Call of Duty, check out Best MW2 TAQ-V Loadout – Attachments & Class and Call of Duty Modern Warfare 2 to have Messi, Neymar, and Pogba as Operators on Pro Game Guides.