Warzone 2.0 DMZ: Dev Error 7186 Resolved [PC, Xbox, PS5]

DEV ERROR 7186 in Warzone 2.0 DMZ: Resolved [PC, Xbox, PS5] | How to Fix Dev Error 7186 in Call of Duty: Warzone DMZ

Keeping your drivers up to date is crucial for optimal gaming performance and to avoid in-game errors. Dev error 7186 is a common issue that players encounter while playing Call of Duty’s DMZ mode. This article provides solutions to fix this error and offers important information about its causes.

Causes of Dev Error 7186

1. Outdated Drivers: One of the main reasons for dev error 7186 in Call of Duty DMZ is outdated drivers, particularly the GPU driver.
2. Corrupted Game Files and Cache: Outdated, corrupted, or problematic game files and cache can also contribute to this error.
3. Background Apps: Antivirus, firewall, overlay apps, and other third-party services running in the background can trigger dev error 7186.
4. Internal Glitch or Bug: Internal bugs or temporary glitches within the game can cause players to encounter dev error 7186, especially in Building 21.

Methods to Fix Dev Error 7186

While there is no precise official solution for this error, there are several methods that players have found successful. Before attempting these solutions, it is recommended to:

DEV ERROR 7186 in Warzone 2.0 DMZ

1. Update the GPU driver: Right-click on the start button, go to Device Manager, expand Display adapters, right-click on the graphics card, and select Update driver. Search automatically for drivers and finish the updating process. Consider using Outbyte Driver Updater for a more convenient driver updating experience.
2. Disable the overlay features: In Steam, go to Settings, navigate to the In-game tab, uncheck Enable the Steam overlay while in-game, and relaunch it. If using or GeForce Experience, disable overlay features from their respective settings.
3. Update the game files: Keep the game up to date by going to the game library in Steam or the game launcher, right-click on Call of Duty Warzone, go to Properties, navigate to the Update tab, and set Automatic Update to High Priority. For, go to Settings, then the Downloads tab, enable Apply latest updates for recently played games, and relaunch the app.
4. Keep trying: If the above solutions don’t work, continue trying to enter Building 21 or Koschei Complex, as some users reported success after several attempts.

Additional Fixes for PS5 and Xbox

For users playing on PS5, power cycle the console, navigate to the Games tab on the home screen, highlight Call of Duty DMZ, press Options, and tap on Check for Update. If the issue persists, consider reinstalling the game or booting into safe mode and performing cache clearing and database repairs.

For Xbox users, go to My Games & Apps, highlight COD DMZ, press the Menu button, go to Manage game and add-ons, select Updates, and install any available updates. Additionally, changing DNS settings, clearing the cache, and reinstalling the game may be helpful.


By following the methods and additional fixes detailed in this article, players should be able to resolve dev error 7186 in Call of Duty: Warzone DMZ. Repairing game files, performing a clean boot, and reaching out to Activision support if necessary are also recommended steps. Remember to exit the game properly from the main menu to avoid encountering this error again. If you have any questions or need further assistance, feel free to leave a comment or contact our support team.


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