In April, Microsoft introduced a series of dynamic updates for Windows 10, identified by KB numbers including KB5057589, KB5055674, KB5056474, KB5055769, KB5055768, and KB5055770. Among these, the update for KB5057589 was intended for the Windows Recovery Environment (WinRE). However, users encountered persistent issues, specifically the 0x80070643 error code, even though their systems met the required disk space of over 250 MB for the recovery partition.
Microsoft addressed this concern promptly, stating that they would not reoffer the problematic update to users who had already installed it. The tech giant assured users that a more reliable update would be forthcoming.
New Developments in Dynamic Updates
Fast forward to July 2025, during the Patch Tuesday updates for Windows 10, Microsoft has rolled out a new WinRE update under KB5063523. According to the release notes, this update automatically applies the Safe OS Dynamic Update (KB5062691) to the Windows Recovery Environment on active PCs, enhancing the recovery features of Windows.
KB5063523: Windows Recovery Environment update for Windows 10, version 21H2 and 22H2: July 8, 2025
Microsoft has indicated that this update resolves the previous installation issue, although the error code “0x80070643” may still appear:
- [0x80070643 – ERRORINSTALLFAILURE (Known issue)] Fixed: The previously encountered ERRORINSTALLFAILURE message related to the April 8, 2025 update (KB5057589) has been addressed. Users are encouraged to install the latest update for their devices, which includes vital improvements and resolutions. However, it is important to note that the erroneous error message may still be visible in the Windows Update History page.
In addition to the WinRE update, Microsoft has released several other dynamic updates. These packages are designed to be applied to existing Windows images before deployment, offering fixes to Setup.exe binaries, SafeOS updates for the Windows Recovery Environment, and more. They also ensure that Language Pack (LP) and Features on Demand (FODs) content are preserved during the upgrade process. For instance, VBScript is currently categorized as an FOD on Windows 11 24H2.
KB5062682: Setup Dynamic Update for Windows 10, version 21H2 and 22H2: July 8, 2025
This update enhances the Windows setup binaries and any files utilized for feature updates in Windows 10, versions 21H2 and 22H2.
KB5062787: Setup Dynamic Update for Windows 10, version 1809 and Windows Server 2019: July 8, 2025
KB5062788: Setup Dynamic Update for Windows 10: July 8, 2025
Further recovery updates have also been introduced:
KB5062691: Safe OS Dynamic Update for Windows 10, version 21H2 and 22H2: July 8, 2025
This update aims to enhance the Windows Recovery Environment in Windows 10, versions 21H2 and 22H2.
KB5062689: Safe OS Dynamic Update for Windows 10, version 1607 and Windows Server 2016: July 8, 2025
KB5062692: Safe OS Dynamic Update for Windows 10: July 8, 2025
These essential updates will be automatically downloaded and installed through the Windows Update channel, ensuring users have the latest improvements at their fingertips.
