[FIXED] COD MW3 Dev Error 5433 (Warzone)

Several players are reporting COD MW3 dev error 5433 (Warzone) on PC, Xbox, and PlayStation 4/5. Dev Error 5433 in MW3 occurs when a corrupt file or overloaded cache data hinders the game’s ability to access necessary resources efficiently. In this article, we’ll guide you through some potential solutions to fix this issue and get you back in the game.

How to fix Warzone MW3 dev error 5433

While there is no permanent fix for the Modern Warfare 3 Dev Error 5433, there are several methods you can try to resolve the issue.

1. Change your On-Demand Texture Streaming Settings
   • Launch Call of Duty HQ
   • Go to Game Settings > Graphics > Quality
   • Find the On-Demand Texture Streaming option
   • For PC: Set the Allocated Texture Cache Size to 32GB or below
   • For console: Set the Allocated Texture Cache Size to Small
2. Repair Game Files
   • For Steam users:
     • Launch Steam and select Library
     • Right-click Call of Duty and select Properties
     • Go to the Installed Files section and click on Verify integrity of game files
   • For Battle.net users:
     • Launch Battle.net and select Call of Duty
     • Click the settings option next to the Play button
     • Choose Scan and Repair from the drop-down menu and click Begin Scan
3. Lower Your Graphics Settings
   • Launch Call of Duty HQ
   • Go to Game Settings > Graphics > Quality
   • Set Graphic Present to Minimum
   • If the issue is resolved, you can gradually increase the quality settings
4. Restart Your System
   • Whether you’re on a PC or console, restarting your device is a basic but often effective troubleshooting step
5. Check Server Status
   • Visit the Activision online service page to check the Call of Duty server status
   • If the servers are down, wait until they’re back online before starting the game

A future COD Modern Warfare 3 update will fix dev error 5433 on PS4, PS5, PC and Xbox.