This Is How I Fixed the Windows Update Error 0x80070643

Key Takeaways

  • The Home windows Restoration Surroundings (WinRE) is a software that helps you restore your system to its manufacturing facility settings in case of extreme system corruption.
  • In case your Home windows Restoration partition does not have at the very least 250 MB of free area, you may encounter the error 0x80070643 when downloading the Home windows 10 KB503441 replace.
  • To repair this subject, you may must resize the Restoration partition utilizing the Command Immediate.


Microsoft releases updates for Home windows so as to add new options and repair bugs within the present model. Most updates obtain with out issues, however some could cause errors through the obtain. One such error is Home windows replace error 0x80070643, which happens whereas downloading the Home windows 10 KB5034441 replace.



Is Downloading the Home windows 10 KB5034441 Replace Vital?

Microsoft launched the KB5034441 update in January 2024. In case your pc makes use of Home windows Restoration Surroundings (WinRE), this replace robotically applies the Protected OS Dynamic Replace to handle a safety vulnerability. If left unpatched, attackers might exploit this vulnerability to bypass BitLocker encryption by means of WinRE.


Which means there isn’t any query about downloading the KB5034441 replace for Home windows 10—it is a essential safety repair, and it is essential to put in it. Nonetheless, there’s a catch.

It seems the error 0x80070643 happens even on methods that lack a Restoration partition. The precise error is:

There have been some issues putting in updates, however we’ll attempt once more later. When you hold seeing this and need to search the net or contact help for data, this may occasionally assist: (0x80070643).

Windows Update Error 0x80070643

Microsoft clearly states that in case your system does not have a Restoration partition, you needn’t obtain the KB5034441 replace and you may ignore this error. Nonetheless, in case your system does characteristic a Restoration partition, it is essential so that you can obtain the replace and, sadly, Microsoft is not going to launch an automated repair that may resolve the 0x80070643 error.


Earlier, when the report broke about customers dealing with this subject, Microsoft acknowledged it and stated they had been engaged on a repair. Nonetheless, that hasn’t panned out (but).

They’ve updated their blog that discusses the error to say that “Computerized decision of this subject will not be obtainable in a future Home windows replace. Guide steps are vital to finish the set up of this replace on gadgets that are experiencing this error.” This implies the one method so that you can eliminate the issue is to carry out the guide repair launched by Microsoft, which is resizing the partition.

What’s the WinRE Restoration Partition?

Once you open the Disk Management tool in your pc, you will note a Restoration partition part within the space the place the drive with the working system is listed. However what precisely is that this Restoration partition?

Recovery partition in Disk Management


Home windows Restoration Surroundings (WinRE) is a built-in characteristic supplied by Home windows that helps you get better your pc when it has been corrupted for varied causes, and you can not boot it. Moreover, it would assist get better your system when it has turn into unusable as a result of incorrect updates or unintended removing of system recordsdata.

To examine if the Restoration partition is configured correctly in your pc, open Command Prompt as an administrator, sort reagentc /information, and hit Enter. When you see “Enabled” subsequent to Home windows RE standing, it means your pc has a Restoration partition, and it’s working correctly.

Windows RE status in Command Prompt

So that you can set up the KB5034441 replace, there should be 250 MB of free area within the Restoration partition. If the partition has lower than that, you’ll encounter the 0x80070643 error when downloading the replace.


Learn how to Repair the Home windows Replace Error 0x80070643

As talked about earlier, the 0x80070643 error happens when the Restoration partition does not have 250 MB of free area. Which means that to repair the issue, you have to to supply extra space to the Restoration partition. To try this, open Command Immediate as an administrator, sort reagentc /disable to disable the Restoration partition, and hit Enter.

Disable Recovery Partition command.

Kind diskpart and hit Enter.

Diskpart command in CMD.

Execute the listing disk command to listing all of the disks.


List disk command in CMD.

Choose the disk the place your working system is put in. For instance, whether it is Disk 1, sort choose disk 1 and hit Enter.

Select disk command in CMD

Kind listing partition to listing the partitions on the disk.

List partition command in CMD

Choose the first disk partition. For instance, whether it is Partition 3, sort choose partition 3 and hit Enter.


Select partition 3 command in CMD

You will now need to shrink the partition. For that, sort shrink desired=250 minimal=250 and hit Enter.

Shrink command in CMD.

Now, choose the Restoration partition. It will likely be labeled as “Restoration.” For instance, whether it is Partition 4, sort choose partition 4 and hit Enter.

select partition 4 command in CMD

Kind delete partition override and hit Enter to delete the restoration partition.


delete partition override command in CMD

Here is crucial step. Scroll up in your Command Immediate window and examine the disk partition style. If there’s an asterisk (*) within the GPT column of your working system disk, it means you might have GUID Partition Desk (GPT) partition type. If there isn’t any asterisk within the GPT column, then it is MBR partition style.

Asterick mark in CMD.

In case your disk is GPT, sort create partition major id=de94bba4-06d1-4d40-a16a-bfd50179d6ac and hit Enter. Then, sort gpt attributes =0x8000000000000001 and hit Enter. In case your disk is MBR, sort create partition major id=27 and hit Enter.


Kind formatfast fs=ntfs label=”Home windows RE instruments” and hit Enter. This may format the partition.

Format command in CMD.

Execute listing vol to verify that the restoration partition has been created.

List vol command in CMD.

Kind exit and hit Enter to exit Diskpart.


Exit command in CMD.

Re-enable the Restoration partition by typing reagentc /allow and hitting Enter.

Recovery parition enable command in CMD

Lastly, to verify the Restoration partition is configured correctly in your pc, sort reagentc /information and hit Enter. When you see “Enabled” subsequent to Home windows RE standing, it means the Restoration partition is working correctly. After that, restart your computer and check out downloading the Home windows replace once more. This time, the error code 0x80070643 should not interrupt the obtain course of.



Home windows updates and error codes are a endless story, and this undoubtedly will not be the final time you encounter an error code interfering with the Home windows replace course of. However, like another downside on the earth, Home windows replace errors have their very own options. Hopefully, the above repair has helped you eliminate the Home windows replace error 0x80070643, and also you’re in a position to efficiently obtain the KB5034441 safety replace from Microsoft.

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