Fix for Windows Update Error 80070490 summary
Update KB4571756 is a cumulative security update for Windows 10, version 1909 and later versions. It contains new security updates as well as quality improvements. This update also removes outdated or unsupported system files from the Windows operating system to ensure compatibility with newer systems.
This update resolves several vulnerabilities in Windows that could allow remote code execution if a user viewed specially crafted content on an affected system. Additionally, it addresses issues with file handling, application installation, and various other areas of the operating system, enhancing overall security posture.
KB4571756 resolves Windows Update Error 80070490, Description of Patch Content
This cumulative update includes fixes for multiple vulnerabilities affecting various components of Windows 10, such as Internet Explorer, Microsoft Scripting Engine, Win32k, Windows Codecs Library, Windows App Platform and Services, Windows Cloud Features, Windows Common Dialog Box, Windows Datacenters, Windows DNS Client, Windows Kernel Mode Drivers, Windows Media Foundation, Windows NDIS, Windows Networking Tools, Windows Shell Experience Host, Windows TCP/IP, Windows XML Core Services – MSXML, among others. The specific vulnerabilities fixed in this update are detailed in Microsoft’s Security Update Guide and include mitigations against various types of attacks, such as remote code execution (RCE), security feature bypass, information disclosure, elevation of privilege, denial of service, and other impactful threats.
Howto install KB4571756
To install the KB4571756 update on your Windows system, follow these steps:
- Ensure your system is up to date with all previous updates. You can check this by going to Settings > Update & Security > Windows Update.
- Visit the official Microsoft Update Catalog and search for “KB4571756” to download the appropriate update package.
- After downloading, extract the .cab file if necessary, usually found in a folder named similar to ‘Windows10.0-KB4571756-x86.cab’.
- Run the Windows Update Assistant or manually execute the downloaded .exe installer.
- If prompted, accept any security warnings and click “Next” to proceed with the installation.
- Wait for the update installation process to complete. This may take some time depending on your system’s performance and network speed.
- Restart your computer when prompted or manually restart it after the installation is completed to apply the changes.
- Post-installation, verify that the update has been applied successfully by checking the installed updates in Windows Update settings.
Similar questions
What is the update KB4571756 and what does it do?
How can I check if my system has already installed update KB4571756?
Will installing update KB4571756 affect my computer’s performance or stability?
Is there a list of known issues for update KB4571756?
Can I roll back to a previous version after applying update KB4571756?
What are the system requirements for installing update KB4571756?
Does update KB4571756 fix any specific bugs or vulnerabilities?
Will update KB4571756 work with my current antivirus software?
How long does it usually take to install update KB4571756 on a typical computer?
Can I download and manually install update KB4571756 from Microsoft’s website?