Fix for Error Code 0x80070643 in KB4480964 Summary
KB4480964 is an update from Microsoft that includes improvements, security updates, and non-security updates for Windows. This cumulative update package contains quality enhancements and fixes for issues reported by customers and support teams. It also addresses vulnerabilities found during the latest security assessments.
This update introduces several changes designed to improve stability, reliability, and performance on devices running affected versions of Windows operating systems. The specific features or functionalities that are modified in this update vary depending on whether you’re using a server version or a client version of Windows. Additional improvements include updates to system files, enhancements to user experience elements like accessibility options, and fixes for compatibility issues with certain applications.
Additionally, KB4480964 addresses critical security vulnerabilities affecting the Windows operating system components such as Windows Media Foundation, Scripting Engine, Windows DNS Server, and others. These updates help protect systems from potential exploits that could lead to remote code execution or information disclosure if not patched.
KB4480964 Updates Fixes Error Code 0x80070643: Description of Patched Items
This update resolves multiple issues in various aspects of the Windows operating system. The following sections detail what is addressed by this cumulative update:
Security Fixes:
– Addresses vulnerabilities in scripting engines, which can be exploited through malicious web content.
– Updates the DNS Server service to fix security flaws that could allow remote code execution.
– Enhances protection against attacks targeting the SMB protocol.
Non-Security Improvements:
– Includes fixes for issues related to Windows Media Foundation and its interaction with third-party media applications.
– Resolves compatibility problems encountered when using certain Microsoft Office files on affected systems.
– Fixes an issue where Windows Update failed to install updates properly due to corrupt or incomplete installation packages.
Stability and Performance Enhancements:
– Improves system stability by addressing crashes that occurred during specific operations like printing, network file access, and others.
– Optimizes performance of the File Explorer shell, particularly when dealing with large numbers of files and folders in a single directory.
– Addresses user interface issues such as incorrect display of certain dialog boxes or menus.
In addition to these fixes, KB4480964 includes numerous other updates aimed at enhancing security, stability, and usability across various aspects of the Windows operating system. These improvements are designed to ensure that your system runs smoothly while protecting it from known threats.
Howto install KB4480964
To install KB4480964, follow these steps:
1. Check for available updates: Open Settings > Update & Security > Windows Update and click on “Check for updates”. If the update is available, you’ll be prompted to download and install it.
2. Download manually (optional): Go to Microsoft Update Catalog (
3. Install downloaded package: Double-click the downloaded file to start the installation process; follow on-screen instructions to complete the update.
4. Use WSUS (for IT administrators): Configure your Windows Server Update Services (WSUS) server to include KB4480964 in updates offered to client computers and servers.
5. Restart required: After installation completes, a restart might be necessary for changes to take effect; allow adequate time for this process before continuing with normal operations.
6. Verify update installed: Open Settings > Update & Security > Windows Update and check under “Update history” to confirm KB4480964 is listed as an installed update.
7. Troubleshoot issues (if applicable): If problems arise after installation, refer to Microsoft Support documentation or use the built-in Feedback Hub app to report issues for further assistance.
By following these steps, you can ensure that your system receives and applies KB4480964 effectively, thereby benefiting from its security enhancements, bug fixes, and performance improvements.
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