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Whats new on latest Windows 10 update KB4574727 and KB4570333?

posted on Filed Under: Windows

Microsoft has rolled out Security update KB4574727 for devices running Windows 10 version 1909 and 1903 that advance OS Builds 18363.1082 and 18362.1082. Also, there is new KB4570333 (OS Build 17763.1457) available devices still running Windows 10 version 1809, October 2018 Update. This is part of the September 2020 cumulative update that brings minor security updates including other quality improvements.

Note: If you are running the latest Windows 10 version 2004, KB4571756 (OS Build 19041.508) available for your device with security and non-security fixes.

Download Windows 10 KB4574727

This is an important update that downloads and installs automatically. Also, you can manually install KB4574727 following the steps below.

  • Press Windows + X and select Settings (Windows + I)
  • Click on Update & Security
  • Select Windows update on the left-hand side
  • Then click on Check for updates button, to allow download KB4574727 from the Microsoft server
  • Once done you need restart your PC to apply them

windows update for windows 10

Well if you are looking for download KB4574727 offline package then you can get it following link is given below.

Windows 10 KB4574727 Offline Download link:

If you’re running version 1903, use these links:

If you are looking for the latest Windows 10 ISO click here.

Windows 10 KB4574727

Note: Windows 10, versions 1903 and 1909 share a common core operating system and an identical set of system files. As a result, KB4574727 applicable for both Windows 10, versions 1903 and 1909 that bumps OS Builds 18362.1082 and 18363.1082)

As per the official Microsoft support site, KB4574727 Addresses a security vulnerability issue with user proxies and HTTP-based intranet servers.

Improve security when using input devices (such as a mouse, keyboard, or pen),  Microsoft Office products.

Also, improve security when Windows performs basic operations.

Bring security updates to the Microsoft Scripting Engine, Internet Explorer, Windows Graphics, Windows Input and Composition, Windows Media, Windows Shell, the Windows Wallet Service and more.

Known issues

When updating to Windows 10, version 1903 or Windows 10, version 1909 from any previous version of Windows 10, you might receive a compatibility report dialog with “What needs your attention” at the top and the error, “Continuing with the installation of Windows will remove some optional features. You may need to add them back in Settings after the installation completes.” You might receive this compatibility warning when LOCAL SYSTEM accounts are blocked in a firewall from accessing the internet via HTTP.

Windows 10 KB4570333

Devices running Windows 10 version 1809 aka October 2018 update receive new update KB4570333 that advance windows 10 Build 17763.1397.

  • Addresses a security vulnerability issue with user proxies and HTTP-based intranet servers. After installing this update, HTTP-based intranet servers cannot leverage a user proxy by default to detect updates. Scans using these servers will fail if the clients do not have a configured system proxy. If you must leverage a user proxy, you must configure the behavior using the Windows Update policy “Allow user proxy to be used as a fallback if detection using system proxy fails.” This change does not affect customers who secure their Windows Server Update Services (WSUS) servers with the Transport Layer Security (TLS) or Secure Sockets Layer (SSL) protocols. For more information, see Improving security for devices receiving updates via WSUS.
  • Security updates to Windows App Platform and Frameworks, Microsoft Graphics Component, Windows Input and Composition, Windows Media, Windows Shell, Windows Cloud Infrastructure, Windows Fundamentals, Windows Management, Windows Kernel, Windows Virtualization, Windows Storage and Filesystems, the Microsoft Scripting Engine, and the Microsoft JET Database Engine.

Also, Microsoft lists known Issues in KB4570333

  • you may receive the error, “0x800f0982 – PSFX_E_MATCHING_COMPONENT_NOT_FOUND.” if  Asian language packs installed on your device.

To fix the problem the company suggests, uninstall and reinstall any recently added language packs. Select Check for Updates and install the April 2019 Cumulative Update. If reinstalling the language pack does not mitigate the issue, reset your PC as follows:

  1. Go to the Settings app > Recovery.
  2. Select Get Started under the Reset this PC recovery option.
  3. Select Keep my Files.

If you face any difficulty installing the KB4570333 update, windows update stuck downloading, KB4570333 update failed to install Check our Windows 10 update troubleshooting guide.

Windows 10 KB4577032

The April 2018 Update (version 1803) is getting update KB4577032 that bumps OS Build 17134.1726. Also, Microsoft has noted ending support for Windows 10 version 1803 home and pro editions. Well, enterprise and education editions receive support until November 10, 2020.

  • Updates to improve security when Windows performs basic operations.
  • Updates to improve security when using input devices (such as a mouse, keyboard, or pen).
  • Updates time zone information for the Yukon, Canada.
  • Updates to improve security when using Microsoft Office products.
  • Updates to improve security in the Microsoft Store.
  • Updates an issue with unexpected notifications related to changing default applications settings.
  • Provides the ability to sync the Microsoft Edge IE Mode unidirectional session cookie when an administrator configures the session cookie.
  • Addresses an issue with unexpected notifications related to changing default applications settings.
  • Updates time zone information for the Yukon, Canada.
  • Addresses an issue that prevents the Event Viewer from properly saving filtered events.
  • Addresses an issue that causes delays during shutdown when running the Microsoft Keyboard Filter Service.
  • Addresses a security vulnerability issue with user proxies and HTTP-based intranet servers. After installing this update, HTTP-based intranet servers cannot leverage a user proxy by default to detect updates. Scans using these servers will fail if the clients do not have a configured system proxy. If you must leverage a user proxy, you must configure the behavior using the Windows Update policy “Allow user proxy to be used as a fallback if detection using system proxy fails.” This change does not affect customers who secure their Windows Server Update Services (WSUS) servers with the Transport Layer Security (TLS) or Secure Sockets Layer (SSL) protocols. For more information, see Improving security for devices receiving updates via WSUS.
  • Security updates to Windows App Platform and Frameworks, the Microsoft Graphics Component, Windows Input and Composition, Windows Media, Windows Shell, the Microsoft Store, Windows Cloud Infrastructure, Windows Fundamentals, Windows Management, Windows Kernel, Windows Virtualization, the Microsoft Scripting Engine, and the Microsoft JET Database Engine.

Microsoft is not currently aware of any issues with this update.

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