KB4577063 – Windows 10 20H2 and 20H1 Changelog

Microsoft is rolling out a new cumulative update KB4577063 for devices running Windows 10 version 20H2 and 20H1. This patch update is enrolled in the Release Preview (RP) Channel, including a list of fixes and changes to the upcoming feature update. The update increases the version number of 20H2 to build 19042.541 and of 20H1 to build 19041.546. 

This update doesn’t bring any new feature but it includes a number of fixes and improvements like “Element not found” error with Windows Subsystem for Linux (WSL). KB4577063 adds a notification to Internet Explorer 11 users. This notification will help users to inform the end of support for Adobe Flash in December 2020.


Editor’s Note:

On 30th Sept 2020, the developers assign a new Build version to the same cumulative update i.e. KB4577063. As per them, this is a minor update that increases the 20H2 Build number 19042.546 along with a few additional fixes. The new fixes are as follows –

  • Addressed a bug that restricts a device from entering Modern Standby.
  • Resolved a reliability issue in Microsoft Edge that occurs when you open multiple windows or tabs.

With this update, the company enhanced the system’s ability using which you can detect IE Mode for Microsoft Edge. This releases fixed the issue related to the Language bar, spatial audio, Windows Defender, Group Policy, virtual private network version 2, and stop error 0x50. It updates Fiji’s time zone information and Windows Hello Face recognition configuration.

KB4577063 added some information related to Azure Active Directory and Windows Mixed Reality motion controllers. In addition, the company has discontinued uploads and downloads from peers when a VPN connection gets detected.

Microsoft has delivered some more fixes with this update. You can visit the Windows Blog page if you want to learn more about the fixes and improvements arrived with Windows 10 20H2.

Download and Install Windows 10 build 19042.541 & 19041.546 

Once this update is made available for you, it will automatically download and install it on your PC. However, you can always force to grab this update using the given instructions:

  • Right-click on the Start button and select Settings.
  • Select Update & Security > Windows Updates.
  • Move to the right and click the Check for updates button.
  • Wait for a while until it starts scanning and downloading the update.
  • Once it downloads KB4577063, click on the Install now button to install it.

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