KB5020276 Summary: Fixes Error Code 80070490 and Enhances System Stability
KB5020276 is an update for Windows 10, aimed at addressing various issues and improving system stability and performance. This cumulative update includes a range of fixes related to security vulnerabilities, application compatibility, network connectivity, and user experience enhancements. The specific updates in KB5020276 are designed to help ensure that users have the latest features and improvements available for their Windows 10 installations. It is recommended that all users apply this update to benefit from the security fixes and performance optimizations it provides.
KB5020276 Details: Patch Description – Resolves Error 80070490 and Improves User Experience
This cumulative update resolves several critical issues affecting various aspects of Windows functionality, including but not limited to:
1. Fixes a memory corruption vulnerability in Microsoft Graphics Component which could allow remote code execution if a user opens a specially crafted document or navigates to a malicious website.
2. Addresses an elevation of privilege security feature bypass issue in the Win32k component that could allow attackers to run processes with elevated permissions.
3. Corrects numerous bugs affecting application compatibility and system stability, such as issues with file explorer crashing upon certain operations and problems with Windows Update failing to install updates properly under specific conditions.
4. Improves network connectivity by resolving an issue where some TCP connections might hang or fail in environments utilizing Network Address Translation (NAT).
5. Enhances user experience through various minor UI improvements, including the resolution of an issue that could cause display issues with high DPI settings.
This update also includes non-security updates to improve reliability and performance by addressing known bugs and optimizing system components for better overall stability and usability.
Howto install KB5020276
To install KB5020276 manually, follow these steps:
- Ensure your Windows 10 installation is up-to-date before downloading the update. Check for available updates through Settings > Update & Security > Windows Update.
- If the update is not offered automatically, visit Microsoft’s official website to download KB5020276 manually.
- Once downloaded, locate the .msu file for KB5020276. You may need to run the Windows Update Standalone Installer utility if a .cab or other format is provided instead of an .msu file.
- Right-click on the update file and select “Install”.
- If prompted, restart your computer as required during the installation process.
- After installation completes, verify that the update has been successfully applied by checking for installed updates through Settings > Update & Security > Windows Update > View update history.
Note: Automatic installations of KB5020276 can occur via standard Windows Update procedures. If you prefer to wait for automatic deployment or are managing a large enterprise environment, consult Microsoft’s guidance on using WSUS (Windows Server Update Services) for control over the rollout of updates within your organization.
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