How to fix ACE.BASE.sys BSOD in Windows?

Issue: I have a system crash problem whenever I play games. The PC suddenly freezes and then shows BSOD with the message that ACE.BASE.sys failed. What can I do to fix this?

Solved Answer

When the Windows operating system faces a major issue from which it is unable to recover, it displays the Blue Screen of Death (BSOD), which causes the PC to freeze and then restart. Hardware malfunctions, driver problems, or errors in important system files are just a few of the reasons why Blue Screens of Death (BSODs) might happen. The system will stop and display an error code to help diagnose the issue.

One sort of BSOD is related to the ACE.BASE.sys component, which frequently occurs while playing games, notably those made by Tencent, such as Honkai Star Rail. ACE.BASE.sys is part of Tencent's Game Anti-Cheat system, which helps prevent cheating in their games; nevertheless, if this component meets a problem, the system may crash and produce a BSOD.

The ACE.BASE.sys BSOD can be caused by several factors, including conflicts between the anti-cheat software and other system drivers or applications. Outdated or corrupted drivers, especially graphics and network drivers, can also trigger this error. Additionally, system file corruption or issues within the Windows registry might lead to the BSOD.

Addressing the ACE.BASE.sys BSOD

To address the ACE.BASE.sys BSOD, you can try several approaches. Ensuring all your drivers are up-to-date is a good starting point, and checking for software conflicts by reviewing recently installed programs or updates may also help identify the issue. Running system file checks and registry scans can detect and repair corruption.

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How to fix ACE.BASE.sys BSOD in Windows?

Fix 1. Run SFC and DISM

These tools scan and repair corrupted system files, which can help resolve the ACE.BASE.sys BSOD by restoring any damaged Windows files.

  • Type cmd in Windows search.
  • Right-click on Command Prompt and pick Run as administrator.
  • User Account Control window will show up – click Yes when prompted.
  • Then, copy and paste the following command, pressing Enter after:
    sfc /scannow
  • Wait till the scan is finished. If Windows finds system file integrity violations, it will attempt to fix them. After this, use the set of the following commands, pressing Enter each time:
    DISM /Online /Cleanup-Image /CheckHealth
    DISM /Online /Cleanup-Image /ScanHealth
    DISM /Online /Cleanup-Image /RestoreHealth
  • Close down the Command Prompt and restart your computer.


Fix 2. Reinstall the affected game

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Reinstalling the game can replace any corrupted game files and ensure that the anti-cheat component is properly installed.

  • Open the Start menu and go to Settings.
  • Click on Apps/Installed apps.
  • Find the affected game (e.g., Honkai Star Rail) in the list.
  • Click on the game and select Uninstall/pick three dots > Unisntall.
  • Follow the prompts to uninstall the game.
  • Restart your computer.
  • Reinstall the game from the official source.

Reinstall the app

Fix 3. Try Clean Boot

A clean boot starts Windows with a minimal set of drivers and startup programs, which can help identify if background programs are causing the BSOD.

  • Type msconfig in Windows search and press Enter.
  • In the System Configuration window, go to the Services tab and check the box next to Hide all Microsoft services.
  • Click Disable all to disable all non-Microsoft services.
  • Go to the Startup tab and click Open Task Manager.
  • In Task Manager, disable all startup items.
  • Close Task Manager and click OK in the System Configuration window.
  • Go to the Boot tab and select Safe Boot.
  • Click OK, and restart your computer.
  • To find out which app(s) is causing conflicts, enable each of the processes (or you can do it in groups), restart, and see if the problem persists. Repeat until you find the faulty app, then either update or uninstall it.

Clean Boot

Fix 4. Rename the ACE.BASE.sys driver file in File Explorer

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Renaming the driver file can prevent it from loading, which might stop the BSOD if the file is causing the problem.

  • Press Win + E to open File Explorer.
  • Make sure hidden files are visible.
  • Navigate to C:\Windows\System32\drivers.
  • Locate the file named ACE.BASE.sys.
  • Right-click on the file and select Rename.
  • Change the file name to ACE.BASE.sys.old.
  • Press Enter and confirm any prompts.
  • Restart your computer.

Fix 5. Temporarily disable third-party security and similar software

Disabling these programs can help determine if they are conflicting with the anti-cheat software. Adding the game and the file to exclusions can prevent future conflicts.

  • Open your third-party security software.
  • Locate the option to disable the protection.
  • Disable the software temporarily.
  • Try running the game to see if the BSOD occurs.
  • If it works, add the game and ACE.BASE.sys to the software's exclusion list.
  • Re-enable your security software.

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About the author
Jake Doe
Jake Doe - Computer technology geek

Jake Doe is the news editor at UGetFix. Since he met Ugnius Kiguolis in 2003, they both launched several projects that spread awareness about cybercrimes, malware, and other computer-related problems.

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