KB4571741 Summary – Fixed Error Code 80070643 and Related Issues
KB4571741 updates various components of Windows to improve security, performance, and reliability. It is an important update that helps protect your device from newly discovered vulnerabilities and enhances system stability by addressing known issues reported through telemetry data. This cumulative update includes improvements to the Microsoft Defender Antivirus engine, fixes for compatibility problems with certain applications, and enhancements in networking capabilities such as TCP/IP stack optimizations.
This update also introduces several security updates that address various vulnerabilities affecting Windows components like Internet Explorer, EdgeHTML, Windows Media Foundation, and more. It ensures better protection against cyber threats by closing known loopholes exploited by malicious actors. Additionally, it includes a number of non-security fixes for issues reported in previous builds, such as improvements to the user interface, enhanced support for accessibility features, and fixes for crashes or hangs that could occur under certain conditions.
The update package KB4571741 is designed to be installed on Windows 10 version 20H2, version 2004, and other supported versions. It can be downloaded from the Microsoft Update Catalog if automatic updates are disabled or not preferred. Users should ensure that all previous updates are installed before applying KB4571741 to avoid potential conflicts.
KB4571741 Description – Update Addresses Security Vulnerabilities Leading to Error 80070643 Patching and Improvements
Microsoft has released this cumulative update to address a wide range of issues across various Windows 10 components, including but not limited to the following:
– **Security Enhancements**: Fixes vulnerabilities in Internet Explorer, Microsoft Edge (EdgeHTML component), and Windows Media Foundation. These updates prevent exploitation by attackers targeting these components.
– **Stability Improvements**: Resolves several issues reported through user feedback such as application compatibility problems, system crashes during startup or shutdown processes, and performance slowdowns under specific conditions.
– **Accessibility Updates**: Enhances support for assistive technologies like screen readers and speech recognition software to provide a better experience for users who rely on these tools.
– **Performance Optimizations**: Introduces optimizations in the TCP/IP stack which can improve network performance, especially noticeable when transferring large files or using high-bandwidth applications.
– **Bug Fixes**: Addresses known bugs affecting Windows Update, Cortana, and other system services to ensure smoother operation and reduce the chance of encountering issues during daily use.
Howto install KB4571741
1. Ensure your device is running one of the supported versions of Windows 10 (20H2, 2004).
2. Open Microsoft Update Catalog, search for update KB4571741.
3. Download the applicable package file (.cab) to a location on your PC accessible through File Explorer.
4. Click the downloaded .cab file to start the installation process; if prompted, confirm that you want to run this software.
5. Follow any additional instructions provided by Windows Installer (such as restarting applications or logging out and back in).
6. After installation is complete, go to Settings > Update & Security > Windows Update and check for new updates manually before proceeding with further installations.
7. If prompted during the manual check, install any pending updates.
8. Finally, restart your computer to ensure all changes take effect properly.
Similar questions
What does KB4571741 update on my Windows system?
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Will installing KB4571741 cause any data loss or require me to back up my files before proceeding?
What are the known issues with the KB4571741 update, and how can I avoid them?
How do I uninstall or rollback the KB4571741 update if it doesn’t work properly on my system?
Does KB4571741 improve performance or security features on my Windows machine?
Are there any compatibility issues with other software when installing KB4571741, and how do I resolve them?
Will the KB4571741 update affect the stability of network connections or internet access on my system?
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What are the recommended system requirements to ensure smooth installation of the KB4571741 update?