Fix Assassin's Creed Shadows DX12 Error 0x887A0005

Mar. 31, 2025 / Updated by Seraphina to Gaming Solutions

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Some players have encountered DX12 Error 0x887A0005 when running Assassin's Creed Shadows, causing the game to crash or fail to start. This article provides detailed solutions to help you resolve this issue and run the game smoothly.

1. Update Graphics Drivers

Outdated or corrupted graphics drivers are one of the common causes of DX12 errors. Updating your drivers can effectively fix the issue. It's recommend to use Driver Talent to automatically detect and update drivers, preventing the risk of downloading or installing incorrect ones.

Download Driver Talent

Click the download button to get the latest version of Driver Talent. Install and open the software, then click "Scan".
After the scan, the software will list drivers that need updating. Locate the graphics driver and click the "Update" button.

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Once the update is complete, restart your computer to ensure the new drivers take effect.

2. Run DirectX Diagnostic Tool

Press Win + R, type "dxdiag", and press Enter.

In the "Display" tab, check if Direct3D Acceleration is enabled.

In the "System" tab, ensure that the DirectX version is DirectX 12.

If DirectX is outdated, visit the Microsoft website to download and install the latest version.

3. Increase Virtual Memory

Press Win + R, type "sysdm.cpl", and press Enter to open System Properties.

Go to the "Advanced" tab.

Under the "Performance" section, click "Settings".

In the new window, switch to the "Advanced" tab and find the "Virtual Memory" section. Click "Change".

Uncheck "Automatically manage paging file size for all drives".

Select your system drive (usually C:) and check "Custom size".

increase-virtual-memory

Set virtual memory values based on your RAM size:

Initial size: 1.5 times your physical RAM.
Maximum size: 3 times your physical RAM.

Example: If you have 8GB RAM, set:

Initial size = 12288MB
Maximum size = 24576MB

Click "Set", then "OK", and restart your PC to apply the changes.

4. Verify and Repair Game Files

Open Steam and go to your Library.

Right-click Assassin's Creed Shadows and select "Properties".

Navigate to the "Installed Files" tab and click "Verify integrity of game files".

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Steam will scan and repair any damaged files. Once completed, restart the game and check if the issue is resolved.

5. Disable Steam Overlay

Open Steam and go to your Library.

Right-click Assassin's Creed Shadows and select "Properties".

Under the "General" tab, uncheck "Enable the Steam Overlay while in-game".

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Save the changes and exit Steam.

6. Close Unnecessary Background Applications

Press Ctrl + Shift + Esc to open Task Manager.

Under the "Processes" tab, find applications using excessive CPU, RAM, or GPU (such as web browsers, office software, or recording tools).

Right-click unnecessary processes and select "End Task".

close-unnecessary-background-applications

Disable Startup Programs:

Press Win + R, type "msconfig", and press Enter.

Go to the "Startup" tab.

Disable unnecessary startup programs to free up system resources.

Restart Assassin's Creed Shadows and check if the game runs properly.