This post introduces Windows 11 KB5034440 which is the first Windows Security update of 2024, including its basic information, download sources, and installing issue troubleshooting. If you want to try this update, read this post of MiniTool Partition Wizard now!

Windows 11 KB5034440 is the first Security Update released in 2024 for Windows 11. It is also referred to as a Windows Recovery Environment (WinPE) update for Windows 11. It automatically applies Safe OS Dynamic Update to the WinRE on a running PC to prevent attackers from bypassing BitLocker encryption by using WinRE.

The Windows 11 KB5034440 update replaces the previously released update KB5033560. It solves BitLocker secure boot issues in previous versions. It’s worth noting that the KB5034440 update can’t be removed after it is applied to a Windows image.

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Where to Get Windows 11 KB5034440 Update

If you want to make your Windows 11 up-to-date, you should install the Windows 11 KB5034440 update now. This is the initial update released in 2024. Where to get this Windows Recovery Environment update for Windows 11?

Well, there are three channels for you to obtain the KB5034440 update on your computer. They are Windows Update (Microsoft Update), Microsoft Update Catalog, as well as Windows Server Update Services (WSUS) and Microsoft Endpoint assigned administrator.

Based on your situation, you can choose a channel to get Windows 11 KB5034440 on your PC. Just download the update and install it by following the on-screen instructions.

To verify the installation of this update, use DISM /Get-Packages to ensure the Safe OS Dynamic Update package is present on WinRE. You don’t need to restart your device after applying the update.

If you fail to get Windows 11 KB5034440 installed, pay attention to the section below. It collects some known issues related to Windows 11 KB5034440 not downloading/installing. Besides, it offers you some clues to troubleshoot them.

What Is Windows 11 Security Baseline and How to Download It
What Is Windows 11 Security Baseline and How to Download It

This post offers you an introduction to Windows Security Baseline, including its definition, features, applications, installation, etc.

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Windows 11 KB5034440 Not Downloading/Installing Troubleshooting

If you encounter the Windows 11 KB5034440 not downloading/installing issue in Windows Update, try obtaining the update from other available sources. However, you will still fail to install this Windows Recovery Environment update for Windows 11 due to some objective reasons. If so, solve the obstacles immediately.

For example, some computers may not have a big enough recovery partition to finish the KB5034440 update process, resulting in the Windows 11 KB5034440 not downloading/installing issue and prompting either of the messages below.

  • “Windows Recovery Environment servicing failed. (CBS_E_INSUFFICIENT_DISK_SPACE)”
  • “0x80070643 – ERROR_INSTALL_FAILURE”
The PC must have 250MB of free space in the recovery partition to install the KB5034440 update successfully. If the “0x80070643 - ERROR_INSTALL_FAILURE” error occurs on a PC without a recovery partition, you can ignore the error and the update because you don’t need this update.

If you fail to install the KB5034440 update due to insufficient space, it’s recommended to increase disk space by using MiniTool Partition Wizard. It can find what’s taking up space on your hard drive and free up disk space by deleting large and useless files/folders on the drive.

MiniTool Partition Wizard FreeClick to Download100%Clean & Safe

Besides, this comprehensive partition manager can also take free/unallocated on the hard drive to enlarge the recovery partition. It also helps if you upgrade the current hard drive to a larger one. To be specific, it allows you to migrate your Windows system or clone the hard drive to prevent data loss.

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