Warzone Dev Error 6039 usually means a content package is missing or unreadable. It is most often a corrupted file or data pack after an update, not a graphics hardware failure.
These steps apply to Call of Duty: Warzone on PC through Battle.net and Steam. The same general path can help related Call of Duty titles using the same engine.
Does this affect you?
Use this if Warzone crashes with Dev Error 6039 at launch, during loading, or shortly after entering a match.
Update the game, then scan and repair the files
Because 6039 is tied to missing or unreadable content, repair the install first.
- Make sure Warzone is fully updated in Battle.net or Steam.
- Do not launch while an update is paused or half-applied.
- In Battle.net, choose Scan and Repair from the gear or options menu.
- In Steam, choose Verify integrity of game files.
- Let the scan finish completely because Warzone is a very large install.
- Restart the PC after repair.
- Launch Warzone again.
If scan and repair does not fix the content package, a full reinstall is the reliable next step. Progress is tied to the Activision account, not local game files.
Update your graphics driver and ease off heavy settings
This is less specific to 6039, but it helps when file repair is not enough.
- Update the GPU driver through NVIDIA, AMD, or Intel tools.
- Restart the PC.
- If crashes began after a new driver, test rolling back to the previous driver.
- In Warzone Graphics settings, lower Texture Resolution.
- Lower Texture Filter Anisotropic.
- Disable Ray Tracing for testing.
- Turn off DLSS or FSR temporarily, then re-enable one feature at a time.
Texture-heavy settings are more likely to cause trouble on GPUs with limited video memory.
Overlays, page file, and known bugs
Disable Discord overlay, GeForce overlay, and Xbox Game Bar one at a time. Some game, driver, and overlay combinations have triggered this error for specific players.
Warzone can hit memory trouble if the Windows page file is too small or disabled. Open Advanced system settings > Performance Settings > Advanced > Virtual memory and use System managed size.
If the error continues after file repair, reinstall, driver, overlay, and memory checks, check Activision Support forums and the official Call of Duty Trello for tracked update bugs.
Sources
- Activision Support – Dev Error 6039 Troubleshooting (2025)
- Activision Support – Scan and Repair Call of Duty (2025)
- NVIDIA – Resolving Game Crashes with GeForce Drivers (2025)