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How to Fix 0x4005 (16389) Error When Upgrading Windows?

Windows upgrades are a necessary aspect of modern computing, ensuring your system stays up-to-date with the latest technology and security patches. However, encountering errors during an upgrade, such as the 0x4005 (16389) message, can be frustrating and disruptive to the installation process.

We understand that dealing with Windows upgrade errors can be challenging, especially the 0x4005 (16389) error. But fear not, as we’re here to provide assistance!

In this article, we will guide you through the process of resolving the error code 0x4005 (16389) that might occur during a Windows upgrade. Read on to learn more.

Understanding the Cause:

When performing an in-place upgrade to Windows 10 or Windows 11, you might encounter the error code 0x4005 (16389) if the upgrade fails. This error often arises due to the presence of incompatible apps on your system.

However, there could be various reasons for encountering the error code 0x4005 (16389):

  • Inadequate Disk Space: Insufficient disk space can lead to this error. Ensure you have enough space available before proceeding with the upgrade.
  • Windows Edition Mismatch: Switching to a different Windows edition from your current one can trigger this error. It’s crucial to upgrade to the same edition to resolve the issue.
  • Third-Party Antivirus: Installed third-party antivirus software might interfere with the upgrade process, causing the error. Temporarily disable or uninstall such security products.
  • Local Computer Description: If you’ve set the computer description during a job sequence, a script or command failure can result in this error. Correct the command as described below to rectify the issue.

While we cover the fundamental reasons for this error and its typical causes, individual cases may have unique factors. If you encounter a particularly specific situation, seeking assistance from technical support could be beneficial.

Fix Windows Upgrade Failed Error Code 0x4005 (16389):

Should you encounter this issue, you can attempt the following steps to address the error:

Method 1: Check Disk Space Availability

Insufficient disk space can lead to the 0x4005 (16389) error during a Windows upgrade. To address this issue:

  1. Open “This PC” and locate your main drive (usually labeled “Local Disk (C:)”).
  2. Right-click the drive and select “Properties”.
  3. Under the “General” tab, check the available disk space. If it’s less than 20 GB, the upgrade might fail.
  4. Free up space by:
    • Uninstalling unused applications.
    • Emptying the Recycle Bin.
    • Deleting temporary files.
    • Removing non-essential data from storage drives.
    • Defragmenting drives if necessary.
  5. After creating adequate space, restart your computer and attempt the Windows upgrade again.

Method 2: Temporarily Disable Third-Party Antivirus

If you have a third-party antivirus program installed, it could potentially be causing the issue you’re facing. To address this problem, the recommended solution is to temporarily deactivate the security software and then proceed with the Windows upgrade.

However, it’s important to note that during the period when the antivirus program is disabled, your computer might be susceptible to security risks. Therefore, it’s crucial to promptly reactivate the security software as soon as the upgrade process is complete. This precaution helps maintain the security of your system while allowing for the necessary upgrade to take place.

To address potential conflicts with third-party antivirus software:

  1. Right-click on an empty area of the taskbar and choose “Task Manager”.
  2. Navigate to the “Startup” tab and locate your third-party antivirus application.
  3. Click on the application to select it.
  4. Click the “Disable” button at the bottom-right corner of the window. This prevents the application from launching at startup.
  5. Restart your computer and attempt the Windows upgrade.
  6. Once the upgrade is successful, re-enable the antivirus software promptly to maintain security.

Method 3: Ensure Matching Windows Versions

The issue arises when the error code is triggered due to the usage of an incorrect Windows edition that differs from the one currently installed on your system.

Users who encountered similar problems reported that rectifying this matter involved selecting the same Windows installation media as their existing version.

  1. When upgrading, make sure to use Windows media that matches your existing edition (e.g., Windows Enterprise).
  2. Mismatched versions can trigger errors during the upgrade process.
  3. Ensuring compatibility will help prevent the 0x4005 (16389) error.

Method 4: Adjust Local Computer Description Command

If encountering the error within a job sequence, modify the computer description command:

  1. Add a “Run Command-Line” step within the task sequence.
  2. Enter the command: cmd /c net config Server /SRVCOMMENT:"%OSDComputerDescription%"
  3. This command updates the computer description using the OSDComputerDescription variable.
  4. Customize the variable name as needed for your situation.

Method 5: Uninstall Programs as 32-Bit Process on 64-Bit Computers

If you’re getting error 0x4005 (16389) while attempting to deploy a .NET framework across machines, simply check a certain box in the installer’s settings to fix it.

  1. Open the installer properties for the desired .NET version.
  2. Go to the “Program” tab in the properties window.
  3. Check the box labeled “Run installation and uninstall programs as 32-bit process on 64-bit clients”.
  4. Click “Apply” and then “OK”.
  5. Attempt the deployment again to check if the error persists.

By following these methods, you can effectively address the 0x4005 (16389) error that occurs during a Windows upgrade. Keep in mind that while these steps can help resolve the issue for many users, unique scenarios might require tailored solutions. If you continue to experience difficulties, seeking assistance from technical support is a viable option.

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