KB4580364 Optional Update for Windows 10 20H1 and 20H2

Microsoft releases another optional update for Windows 10 version 20H1 and 20H2 under the name “KB4580364”. This non-security patch will increase the existing build numbers of 2004 and 2009 to 19041.610 and 19042.610 respectively. Besides this, the tech giant has addressed several fixes and brought quality improvements with this cumulative update

As this is an optional update, you can’t get this through Windows Server Update Services. However, the relevant standalone package is available at the Microsoft Update Catalog site. Or, you may also look for any pending updates inside the Windows Update section.

KB4580364

For Insiders Only: KB4580364 – Windows 10 20H2 Preview Build 19042.608

KB4580364 Changelog for Windows 10 20H1 and 20H2

Here is the key summary of changes that came along with this non-security update –

  • Resolves Group Policy Preferences issue that occurs while configuring the homepage in Internet Explorer.
  • Dynamic Data Exchange (DDE) apps won’t stop working after installing this update.
  • Brings back the option to use a Group Policy to enable Save Target As for Administrator in Microsoft Edge IE Mode. 
  • From now onward, Microsoft Defender will check for any untrusted URL navigations on Internet Explorer 11 and open them in Microsoft Edge only if they pass the test. 
  • Resolves a bug that causes processors to display incorrect CPU frequencies. 
  • Fixes an issue wherein the Routing and Remote Access Service (RRAS) stops responding for new connections. Apart from this, the company also fixes a bug that causes the RRAS administrator Microsoft Management Console (MMC) to stop responding randomly when you are going to perform administrative tasks or during PC startup.
  • No issues while starting Windows Subsystem for Linux 2 (WSL2) on ARM64 devices. This bug first started after installing KB4579311.
  • Windows Virtual Desktop (WVD) users may now search for files inside File Explorer without getting into any error. 
  • Resolves an issue that occurs during remote debugging on a Windows 10 PC having a full suite of developer tools available inside Microsoft Edge.
  • Works upon an anomaly that displays nothing on the screen for five minutes or more during the Remote Desktop Protocol (RDP) session. 
  • Fixes a bug on the Transmission Control Protocol/Internet Protocol (TCPIP) driver. By doing so, Microsoft solves an issue in which the operating system suddenly stops responding or sometimes complete working. 
  • Resolves the Date & Time displaying incorrect values by modifying the WMIC.exe OS Get localdatetime/ value command.
  • Microsoft User Experience Virtualization (UE-V) may now easily assign Outlook signatures. 

To know the other fixes and improvements, visit the Update & History page by Microsoft. 

Known Issues on KB4580364 

Users who use either Chinese or Japanese Input Method Editor may face issues performing different tasks on the editor itself. You may see the KB4564002 for steps solving any bugs that may appear after installing this optional update.

Download and install KB4580364 Optional Update

This is a regular cumulative update and you may get this non-security through the following release channels –

1. Windows Update

Usually, you will receive a notification regarding this optional update. If not, you may follow the below guideline to download and install KB4580364 on your device –

  • Use Win + I keys to start the Settings application. Select Update & Security > Windows Update.
  • Jump to the right side and click the Check for updates button. Doing so will initiate a scan for any pending updates on your computer.
  • Your PC will automatically download and install any available patches and prompt to restart the device.

2. Update Catalog

If the above method fails to search for the KB4580364 Optional Update, visit Microsoft Update Catalog, look for the suitable non-security patch, and hit the Download button.

KB4580364 Optional Update

Subsequently, hit the top link to start downloading the setup file. When the download finishes, open the folder containing this file and double-click the setup file.