Fix 0x80070643 Error When Installing Windows 10 KB5001716 Update

Learn how to troubleshoot and resolve the 0x80070643 error that prevents the successful installation of the Windows 10 KB5001716 cumulative update. Follow step-by-step solutions like clearing the update cache, running SFC and DISM scans, uninstalling previous updates, and more.

Fix 0x80070643 Error When Installing Windows 10 KB5001716 Update

The KB5001716 update is a cumulative update released by Microsoft for Windows 10 systems. This update aims to address various security vulnerabilities and bug fixes, ensuring the smooth and secure operation of your computer. However, many users have reported encountering the 0x80070643 error code when attempting to install this update, preventing its successful installation.

The 0x80070643 error code is a common Windows error that typically indicates a problem with file or folder permissions. This error can occur when the update process encounters issues while trying to access, modify, or replace certain system files or components. The error message often reads, “There is a problem with this Windows Installer package. A program run as part of the setup did not finish as expected.”

Potential Causes of the Update Failure

Several factors can contribute to the failure of the KB5001716 update and the occurrence of the 0x80070643 error code. Understanding these potential causes can help you troubleshoot the issue more effectively.

  1. Corrupted System Files or Components Over time, system files and components can become corrupted due to various reasons, such as hardware failures, software conflicts, or malware infections. When the update process attempts to modify or replace these corrupted files or components, it may encounter permission issues, leading to the 0x80070643 error.
  2. Conflicts with Third-Party Software or Drivers Third-party software, especially antivirus programs, system utilities, and device drivers, can sometimes interfere with the update installation process. These programs may have their own file locks or access restrictions, preventing the update from modifying or replacing certain files or components.
  3. Issues with the Windows Update Service The Windows Update service is responsible for downloading and installing updates on your system. If this service is corrupted, misconfigured, or experiencing issues, it can lead to update failures and errors, including the 0x80070643 error.
  4. Insufficient Disk Space or System Resources Installing updates often requires a certain amount of free disk space and system resources. If your computer lacks sufficient disk space or has limited available memory or CPU resources, the update installation process may be disrupted, resulting in the 0x80070643 error.

Troubleshooting Steps

  1. Restart and Retry

Before diving into more advanced troubleshooting steps, try restarting your computer and attempting the update again. A simple restart can often resolve temporary glitches, free up system resources, and clear any potential conflicts that may have caused the update failure.

  1. Clear Windows Update Cache

The Windows Update cache is a temporary storage location where update files and metadata are stored before installation. Over time, this cache can become corrupted, leading to installation issues. Clearing the Windows Update cache can help resolve the problem.

To clear the Windows Update cache, follow these steps:

  1. Open the Command Prompt as an administrator. b. Run the following commands, pressing Enter after each one:
  • net stop wuauserv

  • net stop bits

  • net stop cryptsvc

  1. Navigate to the following folder and delete its contents: C:\Windows\SoftwareDistribution
  2. Run the following commands to restart the services:
  • net start wuauserv
  • net start bits
  • net start cryptsvc
  1. Run System File Checker (SFC) and Deployment Image Servicing and Management (DISM)

Windows includes built-in utilities that can scan for and repair corrupted system files, which may be causing the update failure. The System File Checker (SFC) and Deployment Image Servicing and Management (DISM) tools are powerful utilities that can help resolve issues related to corrupted system files and components.

To run SFC and DISM, follow these steps:

  1. Open the Command Prompt as an administrator. b. Run the following command to scan and repair system files:

sfc /scannow

  1. Once the SFC scan is complete, run the following command to repair the Windows image:

DISM /Online /Cleanup-Image /RestoreHealth

This process may take some time, depending on the number of corrupted files or components that need to be repaired.

  1. Uninstall Previous KB5001716 Update (if applicable)

If you have previously attempted to install the KB5001716 update and encountered errors, it’s possible that the partially installed update files are causing conflicts and preventing a successful installation. In this case, you should uninstall the previously installed KB5001716 update before attempting a fresh installation.

To uninstall the previous KB5001716 update, follow these steps:

  1. Open the Control Panel and navigate to “Programs and Features.” b. Locate the entry for the KB5001716 update and click “Uninstall.” c. Follow the on-screen prompts to complete the uninstallation process. d. Restart your computer once the uninstallation is complete.
  2. Manually Download and Install Update (if possible)

In some cases, manually downloading the update package from the Microsoft Update Catalog and installing it can circumvent the issues encountered through the automatic Windows Update process. This method can be useful if the Windows Update service itself is causing problems or if there are issues with the update delivery mechanism.

To manually download and install the KB5001716 update, follow these steps:

  1. Visit the Microsoft Update Catalog website ( b. Search for the KB5001716 update package that corresponds to your Windows 10 version and system architecture (32-bit or 64-bit). c. Download the update package to your computer. d. Once the download is complete, double-click the update package to start the installation process. e. Follow the on-screen prompts to complete the installation.
  2. Consider In-place Upgrade (Last Resort)

If none of the above steps resolve the issue, you may need to consider performing an in-place upgrade, which involves reinstalling Windows while keeping your files and settings intact. This should be considered a last resort, as it can be time-consuming and may lead to data loss if not performed correctly.

An in-place upgrade can help resolve deep-rooted issues with system files, components, or configurations that may be preventing the successful installation of the KB5001716 update. However, it’s important to back up your important data before proceeding with this step, as there is always a risk of data loss during the process.

To perform an in-place upgrade, follow these steps:

  1. Create a backup of your important data and settings. b. Open the Settings app and navigate to “Update & Security” > “Recovery.” c. Under the “Reset this PC” section, click “Get started.” d. Select the “Keep my files” option to perform an in-place upgrade. e. Follow the on-screen prompts to complete the in-place upgrade process.

Alternative: Waiting for a Fix from Microsoft

In some cases, the update failure may be due to an issue on Microsoft’s end, such as a bug in the update package or a compatibility problem with certain hardware or software configurations. If none of the troubleshooting steps resolve the problem, you may need to wait for Microsoft to release a fix or a revised version of the update.

Microsoft regularly releases updates to address known issues and improve the overall performance and security of Windows 10. If the KB5001716 update continues to fail after exhausting all troubleshooting options, it’s advisable to keep an eye on official Microsoft channels (such as the Windows Release Health Dashboard) for any announcements or updates related to the issue.


Encountering the 0x80070643 error code while installing the KB5001716 update can be frustrating, but there are several troubleshooting steps you can take to resolve the issue. By following the steps outlined in this article, you can increase your chances of successfully installing the update and ensuring the smooth operation of your Windows 10 system.

However, it’s important to note that troubleshooting and resolving update issues can be a complex process, especially if the root cause is not immediately apparent. If none of the suggested methods work, consider seeking professional assistance or waiting for a fix from Microsoft.

Remember, keeping your system up-to-date with the latest security patches and bug fixes is crucial for maintaining optimal performance, security, and stability. While update issues can be frustrating, taking the time to properly troubleshoot and resolve them can help ensure a seamless and secure computing experience.

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