How to fix Warzone Dev Error 6634 on Windows PC

As of late, many Call Of Duty, Warzone players are reporting the following error message:

Fatal Error
DEV ERROR 6634
To contact customer service support, go to https://www.support.activision.com/mordernwarfare

In this article, we are going to see how to fix COD Warzone Dev Error 6634 on Windows PC with the help of some simple solutions.

Why am I seeing Dev Error Code 6634 in Warzone?

There are multiple causes of this error such as a corrupted game file, some glitches, etc. But there is no one-size-fits-all reason, that’s why we have accumulated a list of all the potential fixes as you will be able to resolve the issue with one of them.

Fix Warzone Dev Error 6634 on Windows PC

If you are experiencing Warzone Dev Error 6634 on Windows 11/10 PC, you can use these solutions to resolve the issue.

1. Repair your Warzone Game
2. Update your Graphics Driver
3. Restart Sheders
4. Change In-game Settings

Let us talk about them in detail.

1] Repair your Warzone Game

The very obvious reason for this issue is the corrupted game file. So, we need to Scan and repair it to resolve the issue.

To repair Warzone, you can follow the given steps.

1. Launch Battle.net.
2. Select Call of Duty: MW from the PARTNER GAMES section.
3. Click Options > Scan and Repair.
4. Click Begin Scan.

Wait for the process to complete and check if the issue persists.

2] Update your Graphics Driver

Next up, we need to update your Graphics driver as outdated graphics can forbid you from playing demanding games such as COD Warzone. So, update your Graphics Driver and check if the issue persists.

3] Restart Sheders

Sheders is responsible to render pixels of your game and restarting it is a potential solution to resolve the issue. To do that, follow the given steps.

1. Launch the game and go to Options.
2. Go to the GRAPHICS tab and Click Restart Sheders Installation.
3. Click Restart to confirm your action.

Finally, check if the issue persists.

4] Change In-game Settings

Sometimes, the issue can be because of a glitch. In that case, you should open the game and change some settings such as removing skins, using low graphics, etc and see if the issue persists, hopefully, it won’t.

Hopefully, you are able to fix the issue with the help of the given solutions.

Related: Fix COD DEV ERRORS 6068, 6606, 6065, 6165, 6071, 6034, 6456, 5573, 5763 5476, 6635, 6036.

System Requirements to run COD: Warzone

The following are the System Requirements to run COD: Warzone.

• Operating System: Windows 10/11 64-bit
• Processor: Intel Core i3-4340 or AMD FX-6300
• Memory: 8GB.
• Graphics: NVIDIA GeForce GTX 670 / GeForce GTX 1650 or Radeon HD 7950
• Storage: 175 GB
• DirectX: Version 12

How do I fix Dev error in Call of Duty warzone?

There are many things you can do to fix any Dev error in Call of Duty Warzone. For example, you need to runt he game with administrator privileges first. Then, you can check the server status, repair the game file, scan your PC with adware removal tools, clear the temporary files folder etc.

Make sure that your computer meets the given requirement to run COD: Warzone.

Read Next: COD Warzone Lagging or having FPS Drops on Windows.