記事の紹介

1. Check for Graphics Driver Updates

2. Increase Virtual Memory

Set virtual memory size:

3. Verify Game File Integrity

4. Manage Background Applications

5. Disable Steam Overlay

6. Lower In-Game Graphics Settings

See also:

How to Fix Assassin's Creed Shadows DX12 Error 0x887A0005

期日です: 07:59 AM, Mar 28, 2025    編集: Seraphina

fix-ac-shadows-dx12-error-0x887a0005


Assassin's Creed Shadows is a highly anticipated action-adventure game, but some players have encountered DX12 error 0x887A0005, causing crashes or launch failures. This guide provides effective solutions to help you run the game smoothly.



Outdated or corrupted graphics drivers are a common cause of DX12 error 0x887A0005. Keeping your drivers up to date can effectively resolve this issue. Driver Sentry is recommended for automatically detecting and updating drivers, reducing the risk of installing incorrect versions.


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Download the latest version of Driver Sentry and install it.

Open the software and click "Scan" to detect outdated or missing drivers.


click-scan


Find the graphics driver in the scan results and click "Upgrade".

After updating, restart your PC to ensure the changes take effect.



Press Win + R, type "sysdm.cpl", and hit Enter.

Go to the "Advanced" tab. Under "Performance", click "Settings".

In the new window, switch to the "Advanced" tab and locate "Virtual Memory", then click "Change".

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

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


increase-virtual-memory



  • Initial size: 1.5x your physical RAM

  • Maximum size: 3x your physical RAM

  • Example: For 8GB RAM → Initial: 12288MB, Maximum: 24576MB


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



Corrupted or missing game files can lead to DX12 errors. Verifying the game files through Steam can fix this issue.

Open Steam and go to "Library".

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

Under the "Installed Files" tab, click "Verify integrity of game files".


verify-game-file-integrity


Wait for Steam to scan and repair missing or corrupted files. Once done, restart the game.



Press Ctrl + Shift + Esc to open Task Manager.

Under the "Processes" tab, find applications consuming high CPU or RAM (e.g., browsers, office tools, screen recorders).

Right-click the unwanted process and select "End Task".


manage-background-applications


Close unnecessary RGB lighting software, antivirus programs, or download managers.

Restart Assassin's Creed Shadows and check if the issue is resolved.



Open Steam and go to Library.

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

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


disable-steam-overlay


Save changes and exit Steam.



Launch Assassin's Creed Shadows.

Go to "Settings" > "Graphics".


Lower the following settings one by one and test the game after each change:

  • Texture Quality: Reduce from High/Ultra to Medium or Low.

  • Shadows: Set to Medium or Low.

  • Anti-Aliasing: Try disabling or lowering it.

  • Ray Tracing (if enabled): Disable it.


Apply changes and restart the game.


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By following these methods, you can effectively fix DX12 error 0x887A0005 in Assassin's Creed Shadows and ensure smooth gameplay. If the issue persists, consider contacting Ubisoft Support for further assistance.



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