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Windows 11

What is the Windows 11 File System Error 789839862 & How Do I Fix It

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File System error 789839862 on Windows 11 indicates issues with essential system files. A bad sector, corrupt files, incorrect file execution policies, and several other causes may be responsible for this issue. System files like curl.execmdkey.exe, and more are necessary for the smooth running of the computer.

This File System error may occur when a user tries to open the Settings app even though the run app, photos, run an executable file, or launch a PDF file. We will explore several solutions to this problem, but we suggest you first restart your PC to fix any possible minor glitch causing this.

Run an SFC/DISM Scan

SFC compares files and repairs any corruption, while DISM repairs the Windows image and installs missing files. Both scans can fix corrupted system files causing the Windows 11 File System Error 789839862. Follow the steps below to complete the scans:

  1. Press the Windows and S keys at once and search for cmd, select Run as administrator on the right side to launch the Command Prompt as an admin.
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  2. When UAC prompts you, click on Yes to proceed.
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  3. Once Command Prompt opens, enter the following command into the console and hit Enter to run the command:
    DISM.exe /Online /Cleanup-image /Restorehealth
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  4. When the scan is complete, enter the command below and press Enter to begin an SFC scan:
    sfc /scannow
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  5. Finally, it would be best to restart your computer to implement repairs.

Update the OS

Updating the OS can repair the Windows 11 File System Error 789839862 by installing software updates with bug fixes and security patches that can fix the underlying cause of the error. Additionally, updates can also enhance your OS performance and include new features. Here are the steps to follow:

  1. Firstly, press the Windows + I keys together to open Settings or open by clicking the Windows icon on the Taskbar.
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  2. Then click the Windows Update option and the Check for updates button to find new updates.
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  3. If Windows has a latest update, it will automatically detect it. Follow the instructions to update Windows.
  4. Finally, restart your computer.

Repair the Windows Image with the DISM tool

When you use the DISM tool, it will initially retrieve a Windows image from Microsoft’s servers. Afterward, it will compare this with your computer’s image and fix any discrepancies. This process is useful for resolving various issues, such as the File System error with code 789839862. Follow the steps below:

  1. Press the Windows and S keys at once and search for cmd, select Run as administrator on the right side to launch the Command Prompt as an admin.
    error 2001-0123
  2. When UAC prompts you, click on Yes to proceed.
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  3. Once Command Prompt opens, enter the following commands into the console and hit Enter after each to run the commands:
    Dism /Online /Cleanup-Image /CheckHealth
    Dism /Online /Cleanup-Image /ScanHealth
    DISM.exe /Online /Cleanup-image /Restorehealth
    error 2001-0123
  4. Finally, it would be best to restart your computer to implement repairs.

Perform a Clean Boot

Performing a clean boot is an effective troubleshooting technique that launches Windows with very few sets of drivers and startup programs. This tool aids in isolating the cause of a problem by preventing conflicts between different software programs. Here is how to perform a clean boot:

  1. Hold the Windows and R keys to open the Run dialog box, type msconfig in the Run entry field and press Enter.
  2. Then, locate the Services tab, click on it, and check the Hide all Microsoft services box.
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  3.  Click on the Disable all button and then click Apply.
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  4. Select the Startup tab and then click Open Task Manager.
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  5. Now right-click on the first enabled app on the Task Manager tab and click Disable.
  6. Finally, follow step 6 to disable all enabled applications one after the other.
  7. After disabling the apps, close Task Manager.
  8. Restart your PC.

Perform a System Restore

System Restore captures your computer’s system files and settings at a specific time. Windows can revert all system files and settings to their previous state. This utility can help to address the error by undoing recent changes that may have caused the error. Here is how to do it:

  1. Press the Windows +key simultaneously to begin the Run dialog on your PC and enter rstrui. Press Enter after to open it.
  2. Select the Choose a different restore point option when the System Restore wizard comes up.
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  3. Then, tap the Next button to proceed. 
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  4. Once the next window opens, select your restore point and click Next
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  5. Allow the process to run and complete.
  6. Finally, click Finish when the restore is complete.

In conclusion, Windows 11 File System Error 789839862 is an error code indicating a problem with your computer’s file system. This error can occur for various reasons, such as corrupted files, disk issues, or software conflicts.

To fix this error, you can try several troubleshooting steps, including running the Windows 11 built-in error checking tool, updating your drivers, scanning for malware, etc. If the issue persists, it is recommended to seek further assistance from Microsoft support or a qualified technician.

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Richard Omachona
Richard is a techie in providing fixes and solutions for computer issues of various kinds. Among his contemporaries, he is a preferred choice. His experiences are vast in Windows operating systems, and several other skills in programming such as Python, Web Frontend designing implementing at industry standards, best practices in HTML, CSS and JavaScript. and basics in Web Backend. He also loves traveling, gaming and music.