It is reported that Dev error 6456 is frustrating both Call of Duty Modern Warfare and Warzone players.
What can you do to fix it?
you’ve got the option to find some effective and viable solutions from this guide onMiniTool Website.
you’re free to try the fixes in this guide one by one until your problem is fixed.
How to Fix Dev Error 6456 Windows 10/11?
Exit the game and the Battle.net launcher.
Right-hit thetaskbarand selectTask Managerin the drop-down menu.
Right-choose theBattle.net launcheron your desktop and selectRun as administrator.
Rerun the game to see if Dev error 6456 is gone.
Roll back Graphics Driver
Step 1.
PressWin + Xat the same time and chooseDevice Managerin the context menu.
Click onDisplay adaptersto show your GPU card.
Right-select it to chooseProperties>Driver>Roll Back Driverand then follow the prompts to complete the process.
Update Graphics Driver
Step 1.
ExpandDisplay adaptersto show your graphics card.
Right-choose your graphics driver and hitUpdate driver>Search automatically for drivers.
Try disabling the game overlays to see if this error is fixed or not.
Disable GeForce Experience Share Overlay
Step 1.
LaunchGeForce Experienceand go toSettings.
Under theGeneraltab, toggle offShareand relaunch the game.
Disable FPS Counter
Step 1.
Launch the game and go toOptions>General.
Under theTelemetrytab, toggle offFrames Per Secondsand pressApplyto save the changes.
Disable Discord Overlay
Step 1. terminate the game and right-punch thetaskbarto chooseTask Manager.
InProcesses, right-choose all Discord-related programs and chooseEnd task.
Therefore, clearing and reinstalling Shader may fix this problem.
To do so:
Step 1.
Launch the game and go toOptions>Graphics>Restart Shaders Installation>Restart.
After Shaders are reinstalled successfully, relaunch the game.
Heres how to do that:
Step 1.
Open theBattle.netlauncher and find the game in the game library.
Go toSettings>Scan and Repair.
Fix 6: Reinstall the Game
Step 1.
LaunchBattle.neton your desktop and hit Call of Duty Warzone or Modern Warfare.
Press thegearicon beside thePlaybutton and hitUninstall.
After the uninstallation is finished, reboot your rig and install this game inBattle.netagain.
Are you receiving Warzone DirectX error when gaming?
Do you know how to troubleshoot it?
If you are eager to get the answer, then this post is for you!
