How to Fix Application Error 0xc0000142 in Windows [2025 Guide]

 If you’ve ever tried opening a game or program like AutoCAD, Photoshop, or Microsoft Office only to see the message:

“The application was unable to start correctly (0xc0000142). Click OK to close the application.”

— you’re not alone.

The Application Error 0xc0000142 is a Windows error that usually occurs when system files are corrupted, DLLs fail to load, or there’s a conflict with third-party software. But don’t worry—this issue can be fixed. In this guide, we’ll explain what causes the error and the best solutions to resolve it step by step.

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What Causes Application Error 0xc0000142?

Here are the most common reasons:

  • Corrupted or missing DLL files
  • Incompatible or outdated graphics drivers
  • Faulty program installation or corrupted files
  • Registry errors in Windows
  • Conflicts with antivirus or third-party apps
  • Issues after a Windows update


Step-by-Step Fixes for Application Error 0xc0000142

1. Restart Your PC and Run the Program as Administrator

  • Right-click the program → Select Run as Administrator

  • Sometimes, missing permissions cause the error

2. Update Windows

  • Press Windows + I → Go to Update & Security

  • Click Check for Updates

  • Install pending updates and restart

3. Update Graphics Drivers

Outdated drivers often cause this error in games and heavy apps.

  • Press Windows + X → Choose Device Manager

  • Expand Display adapters

  • Right-click your graphics card → Update driver

  • Restart your PC

4. Repair the Program

  • Go to Control Panel → Programs → Programs and Features.
  • Select the affected program → Repair (if available).
  • If no repair option, try Uninstall → Reinstall.


5. Use Compatibility Mode

Some older apps/games don’t run properly on new Windows versions.

  • Right-click the app → Properties

  • Go to Compatibility tab

  • Check Run this program in compatibility mode

  • Select an older Windows version (Windows 7/8)

6. Run System File Checker (SFC) and DISM

To fix corrupted system files:

  1. Open Command Prompt (Admin)

  2. Type:

    sfc /scannow

  3. Once complete, type:

    DISM /Online /Cleanup-Image /RestoreHealth

  4. Restart PC and try again

7. Modify the LoadAppInit_DLLs Registry Key

⚠️ Be careful when editing the registry.

  1. Press Windows + R, type regedit, and press Enter

  2. Navigate to:

    HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows

  3. On the right, find LoadAppInit_DLLs

  4. Double-click it and set the Value data to 0

  5. Restart your PC

8. Disable Antivirus Temporarily

9. Reinstall the Affected Program

If nothing else works, a clean reinstall ensures corrupted files are replaced.

FAQs – Application Error 0xc0000142

Q1: Which programs are most affected by this error?
Games, AutoCAD, Photoshop, Microsoft Office, and some third-party apps.

Q2: Is this a virus or malware?
No, it’s a Windows error, but malware can sometimes trigger it.

Q3: Can I fix this without reinstalling Windows?
Yes, usually updating drivers, repairing the program, or editing the registry resolves it.

Q4: Does it affect Windows 10 and Windows 11?
Yes, the error occurs on both systems.


Pro Tips to Avoid Application Error 0xc0000142

  • Keep Windows and drivers updated.
  • Install apps from official sources only
  • Run regular antivirus scans
  • Avoid force-shutting down your PC during installations.
  • Backup registry before making changes.

Conclusion

The Application Error 0xc0000142 can be frustrating, especially if it stops you from using important apps like AutoCAD or Photoshop. But with the methods above—such as updating drivers, running SFC/DISM, or tweaking the registry—you can usually fix it without reinstalling Windows.

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By keeping your system updated and your apps properly installed, you can avoid this error in the future and enjoy smooth performance.

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