KB4343891 Update Summary – Fixes Error Code 80070643
KB4343891 is an update from Microsoft that includes several improvements for Windows Server and desktop editions. This cumulative update addresses various security vulnerabilities and improves system stability, performance, and reliability. It also resolves issues related to networking, printing, storage, and other core services within the operating system.
This update is part of a broader set of updates designed for Windows 10 version 1607, which includes fixes for common user scenarios and addresses bugs reported by customers. The cumulative nature of this update means that it integrates all previous security updates and quality improvements into one package. Therefore, applying KB4343891 ensures your system is protected against a wide range of potential threats and issues.
In addition to these core enhancements, the update also includes non-security fixes for Windows components such as DirectX, .NET Framework, Internet Explorer, Microsoft Edge, and various Win32 APIs. These improvements contribute to better compatibility with third-party software and hardware devices, thereby enhancing the overall user experience on Windows 10 systems.
KB4343891 Description: Addresses Known Issues and Patches Error 80070643
This cumulative update addresses a variety of issues across multiple areas within Windows 10. The specific problems that are patched or resolved include:
– **Security vulnerabilities:** KB4343891 includes security updates for several critical and important vulnerabilities, including but not limited to the following:
– Fixes in Internet Explorer address cross-site scripting (XSS) attacks.
– Enhancements in Windows Kernel to prevent elevation of privilege issues.
– **System stability improvements:** The update resolves crashes that can occur under specific circumstances:
– Addresses an issue where Microsoft Edge may stop working unexpectedly when attempting to access certain websites.
– **Performance and reliability enhancements:**
– Improves the responsiveness of Windows Update by addressing delays in downloading updates.
– Enhances performance during boot-up times and system shutdown processes.
The cumulative nature of this update means it includes all previous security updates, ensuring that your system remains protected against a wide range of threats. Additionally, KB4343891 resolves issues reported by customers and partners through various channels such as Windows Update, Microsoft Support, and the Microsoft Customer Experience Improvement Program (CEIP).
Howto install KB4343891
To install KB4343891 on your Windows 10 system, follow these detailed steps:
1. Open Microsoft’s Windows Update website.
2. Click the “Download” button to start downloading the update package for KB4343891.
3. Save the downloaded file (typically a .cab or .msu file) to your hard drive.
4. Restart your computer if it is running any background processes that could interfere with installing updates.
5. Once you have saved the update package, double-click the file to initiate the installation process.
6. Follow the on-screen prompts to complete the installation. This may include agreeing to license terms and restarting your system as prompted.
7. After the installation finishes and your computer restarts, verify that KB4343891 has been installed successfully by checking for update history through Settings > Update & Security > Windows Update > View update history.
8. If you encounter any issues during or after installation, refer to Microsoft’s support articles or contact customer service for further assistance.
These steps provide a straightforward method to apply KB4343891 manually and ensure your system receives the latest security patches and performance enhancements.
Similar questions
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