Call of Duty: Warzone, a free-to-play battle royale video game, is popular with game lovers. However, some Warzone players have received the DEV ERROR 6066 message when trying to launch the game. How to fix DEV ERROR 6066? Well, this post from MiniTool Partition Wizard will offer you several methods.

I want to play Warzone. I have intel HD graphics 4600, 8GB ram, intel i3 6th gen processor. When I run the game, it shows dev error 6066. What should I do now? Please help!

DEV ERROR 6066 is one of the common error codes in Call of Duty: Warzone. How to fix DEV ERROR 6066 on PC? There are several methods below, and you can choose one of them to solve the problem. Scroll down to know the detail.

Method 1: Update OS to the Latest Built

How to fix DEV ERROR 6066? The simplest and easiest way is to update OS to the latest built, because an outdated OS may be incompatible with the game. Follow the steps below to do that:

Step 1: Click the Start button at the lower-left corner of your screen and click the Settings button. Then, choose Update & Security in Settings.

Step 2: Choose Windows Update in the left pane, and then click Check for updates.

click Check for updates

Step 3: Follow the on-screen instructions to download and install the Windows updates if available.

Once the installation is finished, restart your computer and run COD Warzone to check whether the DEV ERROR 6066 message disappears.

Method 2: Increase VRAM

According to the developers of the game, increasing VRAM may fix Warzone DEV ERROR 6066. But before that, you need to check the VRAM available on the graphics card. Then, there are two ways to increase the video RAM on the PC via the BIOS and through the Registry Editor.

Method 3: Disable Other Apps

If you have received the DEV ERROR 6066 message, trying to disable other applications may solve this problem because some programs may interfere with some applications or games. How to do that? Here is the full guide:

Step 1: Press the Ctrl + Shift + Esc keys on the keyboard to open Task Manager.

Step 2: Go to the Processes tab, choose apps or processes that are running in the background. Then, click the End task button. (You can also right-click an app or a process to choose End task.)

choose End task

In addition to disabling apps through Task Manager, you can also perform a clean boot to troubleshoot some conflicting issues.

Method 4: Don’t Overclock the GPU

For some players, DEV ERROR 6066 only happens when they overclock their GPU. It is known that overclocking the GPU can improve gaming performance, but it can easily crash the game. Therefore, to stop DEV ERROR 6066, you shouldn’t overclock the GPU. If the GPU is already overclocked, follow the steps below to disable it:

Step 1: Enter the BIOS of your motherboard.

Step 2: Once you access the BIOS, go to the Advanced > Performance option.

Step 3: Navigate to the Overclocking option and disable it.

Step 4: Hit the F10 key on the keyboard to save the change and then exit BIOS.

After that, you can check if you still receive the Warzone DEV ERROR 6066.

That’s all about how to fix COD Warzone DEV ERROR 6066 on PC. If you have any questions about this topic, please leave them in the comment zone and we will try to answer them as soon as possible.

The Top 4 Solutions to Warzone Dev Error 6634 [New Update]
The Top 4 Solutions to Warzone Dev Error 6634 [New Update]

Are you playing Call of Duty: Warzone on PC? Have you encountered the Warzone Dev error 6634 while playing the game? How to solve it? Here are some fixes.

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