How to Fix the ERROR_NOT_ALLOWED_ON_SYSTEM_FILE Problem

Key Notes

  • Boot your PC in Safe Mode to bypass restrictions.
  • Take ownership of the problematic file for full control.
  • Temporarily disable System Protection to validate changes.

How to Effectively Fix the ERROR_NOT_ALLOWED_ON_SYSTEM_FILE in Windows

Encountering the ERROR_NOT_ALLOWED_ON_SYSTEM_FILE error can be frustrating, especially when trying to modify important system files on Windows. This guide outlines actionable steps to resolve this issue and regain full file access.

Resolving the ERROR_NOT_ALLOWED_ON_SYSTEM_FILE Issue

Step 1: Execute the Action in Safe Mode

Begin by booting your Windows system in Safe Mode to bypass any access restrictions. Follow these steps:

  1. Click on the Start menu, then select the Power icon.
  2. Hold down the Shift key and click on Restart.
  3. On the options screen, select Troubleshoot.
  4. Navigate to Advanced options and click on Startup Settings.
  5. Click Restart.
  6. When your computer restarts, press the number 4 to select Safe Mode.
  7. Attempt the action that caused the ERROR_NOT_ALLOWED_ON_SYSTEM_FILE error.

Pro Tip: Ensure you open the file or run the application that was causing the error in Safe Mode for best results.

Step 2: Acquire Ownership of the File

To gain control over the file that’s causing issues, take ownership using the Command Prompt:

  1. Press the Start button, type cmd into the search box, and select Run as administrator.
  2. Input the following command, replacing the file path with the correct one:
  • takeown /f "C:\path\to\file" && icacls "C:\path\to\file" /grant administrators:F
  • Try to execute the operation on the system file that triggered the error.

    • Pro Tip: If you’re unsure about the exact file path, right-click the file and select “Properties” to find the location.

    Step 3: Temporarily Disable System Protection

    Disabling System Protection can allow you to manipulate protected files. Here’s how:

    1. Press Win + R, type sysdm.cpl, and hit Enter.
    2. In the System Properties window, go to the System Protection tab.
    3. Select the relevant drive (usually C:) and click on Configure.
    4. Choose the Disable system protection option and click Apply.
    5. Confirm your changes by clicking Yes in the warning message that appears.
    6. Attempt the action that triggered the ERROR_NOT_ALLOWED_ON_SYSTEM_FILE.

    Pro Tip: Remember to re-enable System Protection after you’re done to safeguard your system.

    Additional Tips

    • Always verify your backups before making significant changes to your system files.
    • Run applications as an administrator if they keep prompting permission issues.
    • If you’re encountering repetitive issues, consider checking for updates or reinstalling the problematic application.

    Summary

    This guide provided a systematic approach to resolving the ERROR_NOT_ALLOWED_ON_SYSTEM_FILE error on Windows. From booting in Safe Mode to taking ownership and managing system protections, these steps aim to empower users to tackle this issue effectively and regain full access to their files.

    Conclusion

    Having explored the various solutions to the ERROR_NOT_ALLOWED_ON_SYSTEM_FILE error, it’s essential to implement these steps carefully. Always ensure you have the necessary permissions and verify the legitimacy of applications requesting access. Feel free to reach out with any questions or additional needs.

    FAQ (Frequently Asked Questions)

    What causes the ERROR_NOT_ALLOWED_ON_SYSTEM_FILE error?

    This error typically arises when an operation is attempted on a system file without the appropriate permissions or when the file is currently in use by another process.

    How do I know if the application is legitimate?

    Verify the publisher of the application through the official website or trusted software distribution platforms. Additionally, keep your antivirus software up to date to help identify potential threats.