Home Windows 10 Update Download Windows 10 Cumulative update KB4493509 (OS build 17763.437)

Download Windows 10 Cumulative update KB4493509 (OS build 17763.437)

New Cumulative update KB4489899 (OS Build 17763.379) available for Windows 10 1809 (October 2018 Update) with March 2019 Patch Tuesday security fixes and bunch of other improvements.

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Today Microsoft has rolled out a new cumulative update KB4493509 (OS Build 17763.437) for Windows 10 1809 (October 2018 Update). According to Microsoft blog installing KB4493509 change OS to windows 10 1809 Build 17763.437 that bring atch security vulnerabilities in the operating system, including in Edge and Internet Explorer, but also in the WSL, the Scripting engine, and other components. and Fixed several known issues including EUDC blue screen, MXSML6 stop responding, Group Policy Editor stops responding, WININET.DLL.

Download Windows 10 Build 17763.437

All Compatible devices connected to Microsoft server automatically download and install Cumulative update KB4493509 via windows update. Or you can manually check for updates from

  • Settings (Windows + I)
  • Click on Update & Security
  • Select Windows update on left-hand side
  • Then click on Check for updates button.
  • Or simply type check for updates on start menu search and select the first result.

check for windows updates 1809

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Also you can download KB4493509 offline package from Microsoft catalog blog or following link given below.

Windows 10 Build 17763.437 Offline Download link:

If you are looking for the latest Windows 10 1809 ISO click here.

What’s new Windows 10 1809 build 17763.437

If you are running Windows 10 1809 (October 2018 update) your Device receive cumulative update KB4493509 (OS build 17763.437) that contains the following changelog.

  • Addresses an issue that occurs when you enable per font end-user-defined characters (EUDC).
  • Fixes a problem that may cause applications that use MSXML6 to stop responding if an exception was thrown during node operations.
  • Addresses an issue that causes the Group Policy editor to stop responding when editing a Group Policy Object (GPO) that contains Group Policy Preferences (GPP) for Internet Explorer 10 Internet settings.
  • Fixes a problem that may cause authentication issues for Internet Explorer 11 and other applications that use WININET.DLL.
  • Security updates to Windows Datacenter Networking, Windows Server, the Microsoft JET Database Engine, Windows Kernel, Windows Input and Composition, Microsoft Scripting Engine, Windows App Platform and Frameworks, Windows Storage and Filesystems, MicrosoftGraphics Component, Windows Virtualization, Windows MSXML, Windows SQL components, and Microsoft Edge.

Also, KB4490481 comes with few know issues as well,

  • After installing this update, there may be issues using the Preboot Execution Environment (PXE) to start a device from a Windows Deployment Services (WDS) server configured to use Variable Window Extension. As temporary solution microsoft suggest

    Enable Protected Mode in Internet Explorer for local intranet and trusted sites.

    1. Go to Tools > Internet options > Security.
    2. Within Select a zone to view or change security settings, select Local intranet and then select Enable Protected Mode.
    3. Select Trusted sites and then select Enable Protected Mode.
    4. Select OK.
  • After installing this update, there may be issues using the Preboot Execution Environment (PXE) to start a device from a Windows Deployment Services (WDS) server configured to use Variable Window Extension. This may cause the connection to the WDS server to terminate prematurely while downloading the image. This issue does not affect clients or devices that are not using Variable Window Extension.

Option 1:
Open an Administrator Command prompt and type the following:

Wdsutil /Set-TransportServer /EnableTftpVariableWindowExtension:No

Option 2:
Use the Windows Deployment Services UI.

  1. Open Windows Deployment Services from Windows Administrative Tools.
  2. Expand Servers and right-click a WDS server.
  3. Open its properties and clear the Enable Variable Window Extension box on the TFTP tab.

Option 3:
Set the following registry value to 0:

“HKLM\System\CurrentControlSet\Services\WDSServer\Providers\WDSTFTP\EnableVariableWindowExtension”.

If you face any difficulty installing KB4493509 update, windows update stuck downloading, KB4493509 update failed to install Check our Windows 10 1809 update troubleshooting guide. Also, read:

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