Download KB4580386 Offline Installer Windows 10 v1903/v1909

KB4580386 is an optional update for v1909 and v1903 systems. Here are the direct download links for the KB4580386 offline installer.

Microsoft is on a roll releasing new updates for Windows 10 v1903 and v1903. Just last week Microsoft released the security update KB4577671 and now released the cumulative optional update KB4580386 for both v1909 and v1903 system. Unlike the previous update, this is a non-security update. This means that the update only contains fixes and improvements to Windows and its modules. These fixes include but not limited to the Group Policy module, occasional black screen in Windows Virtual Desktop, general performance issues, Xbox Game Pass, Windows Defender, User Access Control, etc. Put simply, the KB4580386 update has a lot of quality of life improvements and fixes to go along with.

Like with any cumulative update, I recommend you wait at least a week before installing. If there are any bugs in the update, those will be ironed out in that time frame. Along as you did not pause the auto updates feature, the update should be installed automatically. If not, you can trigger the update process by clicking on the “Check for updates” button on the “Settings → Update & Security→ Windows Update” page.

Alternatively, you can also install the update by downloading the KB4580386 offline installer. You can find the download links for the KB4580386 installer download below.

KB4580386 Offline Installer Download Links

To make things easier for you, I found the direct download links for KB4580386 for both Windows 10 32-bit and 64-bit systems. Depending on your system type, download the update using the below links and install it like any other Windows software. After installing, restart the system and you are good to go.

For v1903:

KB4580386 x84 (32-bit) offline installer (download size: 218.6 MB)

KB4580386 x64 (64-bit) offline installer (download size: 415.3 MB)

For v1909:

KB4580386 x86 (32-bit) offline installer (download size: 218.6 MB)

KB4580386 x64 (64-bit) offline installer (download size: 415.3 MB)

If you want KB4580386 download links for Windows Server, ARM64 based systems, or some other version then go to the Microsoft update catalog website to find the appropriate links. All you have to do is click on the Download button next to the appropriate version.

KB4580386 Change Log

  • Addresses an issue with using Group Policy Preferences to configure the homepage in Internet Explorer.
  • Allows administrators to use a Group Policy to enable Save Target As for users in Microsoft Edge IE Mode.
  • Addresses an issue with untrusted URL navigations from Internet Explorer 11 by opening them in Microsoft Defender Application Guard using Microsoft Edge.
  • Addresses an issue that occurs when using the full suite of developer tools in Microsoft Edge for remote debugging on a Windows 10 device.
  • Addresses an issue that displays a black screen to Windows Virtual Desktop (WVD) users when they attempt to sign in.
  • Addresses an issue that might prevent a Microsoft Xbox Game Pass user from playing certain games that are eligible for play.
  • Addresses an issue that displays nothing on the screen for five minutes or more during the Remote Desktop Protocol (RDP) session.
  • Addresses a reliability issue that causes the screen to flash constantly.
  • Addresses an issue with Dynamic Data Exchange (DDE) that causes a memory leak when multiple clients connect to the same server.
  • Addresses an issue that causes an application to stop responding temporarily, which causes extra z-order operations that affect the Window.Topmost property of a window.
  • Addresses an issue that might cause DDE apps to stop working.
  • Addresses an issue that occurs when you first sign in to an account or unlock an existing user session using Remote Desktop Services (RDS). If you enter an incorrect password, the current keyboard layout changes unexpectedly to the system default keyboard layout. This keyboard layout change might cause additional attempts to sign in to fail or lead to account lockouts in domains with low account lockout thresholds.
  • Addresses an issue with the CleanupProfiles Group Policy object (GPO). After you upgrade the operating system, when you configure the CleanupProfiles GPO, it fails to remove unused user profiles.
  • Addresses an issue that displays the incorrect CPU frequency for certain processors.
  • Addresses a performance issue that occurs when PowerShell reads the registry to check if the ScriptBlockLogging registry key is in the registry.
  • Addresses an issue that randomly changes the time offset of the time format returned by the command WMIC.exe OS Get localdatetime/ value.
  • Addresses an issue that prevents Microsoft User Experience Virtualization (UE-V) from assigning the Microsoft Outlook Signatures.
  • Addresses an issue that prevents Hybrid Azure Active Directory joined devices from updating portal information when a device name or Windows version changes.
  • Addresses an issue that causes Windows to stop working and generates error 0x17. This issue occurs when Windows Defender Device Guard is enabled and a driver is loaded with a 4K Microsoft Portable Executable (PE) header.
  • Adds a new Microsoft Event Tracing for Windows (ETW) provider named “Microsoft-Antimalware-UacScan”. This ETW provider reports the details of the context for each User Account Control (UAC) request in the ETW provider manifest.
  • Addresses issue that causes a USB printer port to disappear after restarting when the printer device is turned power off.
  • Addresses an issue that causes stop error 0xd1 in msiscsi.sys. This issue occurs when moving certain arrays from one cluster node to another.
  • Addresses an issue that prevents Windows Update and Microsoft Store from connecting to peers over virtual private networks (VPN) for downloads.
  • Adds functionality that shows a preview of the features and capabilities included in an update when a new update is offered to your device. On the Windows Update page (Start > Settings > Update & Security > Windows Update), there’s an option to “See what’s in this update.”
  • Adds support for the Transport Layer Security (TLS) 1.1 and 1.2 protocols when connecting to SQL Server using the data providers in Windows Defender Application Control (WDAC).
  • Addresses an issue with SQL Server that might cause performance issues if you configure a Linked Server provider to load out-of-process.
  • Addresses an issue that might degrade Windows performance and prevent the LanmanServer service from starting when third-party software uses LanmanServer custom file system controls (FSCTL).
  • Addresses an issue with deduplication that causes long wait times on Resilient File System (ReFS) Cluster Shared Volumes (CSV).
  • Addresses an issue that might prevent some applications from behaving correctly. This occurs when you publish them as Remote Application Integrated Locally (RAIL) applications using RDS and change the docking for an AppBar window.
  • Addresses an issue with a deadlock in the Transmission Control Protocol/Internet Protocol (TCPIP) driver that causes the operating system to stop working or stop responding.
  • Addresses an issue that causes the Routing and Remote Access Service (RRAS) to stop responding for new connections. However, RRAS continues working for existing connections.
  • Addresses an issue that causes the RRAS administrator Microsoft Management Console (MMC) to stop responding randomly when you are performing administrative tasks or at startup.
  • Improves the Windows Server Storage Migration Service by:
    • Adding inventory validation.
    • Improving retransfer performance .
    • Resolving multiple issues, including reliability issues.
    • Verifying that source machines have installed the current update.

That is it.

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