Microsoft has released security update KB5034441 for Windows 10 22H2 on January 09, 2024. However, many users report that they received the  KB5034441 fails to install with code 0x80070643. This post from MiniTool gives solutions.

Microsoft released a new security update KB5034441 for Windows 10 21H2 and 22H2 on January 9, 2024. This is an update to Windows Recovery Environment (WinRE) that resolves a security vulnerability that could allow an attacker to bypass BitLocker encryption (WinRE) using Windows Recovery Environment.

Windows 10 KB5041582 - Download/Install/Fails to Install
Windows 10 KB5041582 - Download/Install/Fails to Install

Microsoft has released Windows 10 KB5041582 build to the Preview channel and the Beta channel. This post provides details.

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KB5034441 Fails to Install with Code 0x80070643

However, many users report that they meet the “KB5034441 fails to install” issue with the 0x80070643 error code. The full error message is – There were some problems installing updates, but we’ll try again later. If you keep seeing this and want to search the web or contact support for information, this may help: (0x80070643).

error code 0x80070643 on Windows 10 22H2

According to Microsoft, the reason for the “security update kb5034441 fails to install” is that your PC’s recovery partition is not large enough. Therefore, WinRE updates may fail. Next, we will tell you how to fix the issue with one-by-one steps.

How to Fix KB5034441 Fails to Install with Code 0x80070643

When you receive the KB5034441 fails to install with code 0x80070643, you can click Retry to start the installation again. If it fails again, you can run the Windows update troubleshooter. If the above methods are not working, it’s recommended to resize the partition to install WinRE update KB5034441 manually.

Tips:
There is always a risk of corrupting a partition when shrinking and extending it, so it is highly recommended that you back up your data before proceeding. To do that, try the free backup software – MiniTool ShadowMaker. It supports backing up files, folders, and partitions on Windows 11/10/8/7.

MiniTool ShadowMaker TrialClick to Download100%Clean & Safe

Way 1: Via Command Prompt

This method is suitable for advanced users. If you want to find a more easier way, you can move on to method 2. Here is how to fix Windows 10 22H2 KB5034441 fails to install via Command Prompt.

Step 1: Type cmd in the Search box and choose Run as administrator.

Step 2: Run reagentc /info and press Enter to check the WinRE status. If the WinRE is installed, there should be a “Windows RE location” with a path to the WinRE directory.

check the WinRE status

Step 3: If the WinRE is enabled, run reagentc /disable and press Enter to disable it.

Step 4: Shrink the system partition and prepare the disk for a new recovery partition. You should run the following commands one by one and press Enter after each one.

  • diskpart
  • list disk
  • sel disk<OS disk index> (It should be the same disk index as WinRE.)
  • run list part
  • run sel part<OS partition index> (It should be your OS partition)
  • shrink desired=250 minimum=250
  • sel part<WinRE partition index> (It should be your WinRE partition)
  • delete partition override

Step 5: Then, you can create a new recovery partition.

1. First, check if your drive is a GPT or an MBR. To do that, run list disk. Check if there is * in the Gpt column. If there is, then the drive is GPT. Otherwise, the drive is MBR.

check your disk is GPT or MBR

2. If your disk is GPT, run the following commands.

  • create partition primary id=de94bba4-06d1-4d40-a16a-bfd50179d6ac
  • gpt attributes =0x8000000000000001

If your disk is MBR, run create partition primary id=27.

3. Run the following commands one by one and press Enter after each one.

  • format quick fs=ntfs label=”Windows RE tools”
  • list vol
  • reagentc /enable
  • reagentc /info

Step 6: Then, you can try to download and install KB5034441 again.

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Way 2: Via MiniTool Partition Wizard

The free partition manager – MiniTool Partition Wizard provides fewer steps for you to fix the “security update kb5034441 fails to install” issue. It allows to resize partitions and perform advanced operations to enhance partition performance. The following are the detailed steps:

Step 1: Download and install MiniTool Partition Wizard.

MiniTool Partition Wizard DemoClick to Download100%Clean & Safe

Step 2: Launch it and you can see the disks and partitions information is listed.

Step 3: Find the recovery partition and choose Extend Partition in the left panel.

Step 4: You can decide how much space to take by dragging the sliding handle leftwards or rightwards. You can add more than 250MB from another partition to your recovery partition.

add space to your recovery partition

Step 5: Click Apply to make the changes take effect.

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How to Exit Safe Mode on Windows 11? Here Are 4 Ways!

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Final Words

Are you bothered by the KB5034441 fails to install with code 0x80070643? If you run into the error code during the update process, try the solutions above to easily get rid of that trouble.

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