How to Fix Windows Update Error 0x80070643

This error quite often happens inside the Windows Update utility, typically joined by a bigger message.

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)

Attempt these means all together until the message vanishes and the update is fruitful:

Retry the installation:

Some of the time, Updating again will work, so it merits attempting no less than again prior to continuing with any further investigating.

Restart your PC:

It’s generally expected the situation that a basic reboot will reset what’s fundamental for the establishment to effectively wrap up.

The most effective method to Fix the Error 0x80070643 – Resize the WinRE partition:

The WinRE partition may be excessively little to finish the update. It is recommended to have 250MB of free space in the recuperation segment for WinRE updates to effectively introduce. On gadgets that might not have sufficient free space in the recovery partition, the example script underneath can be utilized to expand the recovery partition by 250 MB.

Reboot your machine before you run the content. This is basic as there might be forthcoming partition activities organized on your machine that should be finished before the content can securely expand the WinRE partition size.

• Once the system is rebooted, Download and save the PowerShell Script to your Desktop as WinRE.Ps1
• Open PowerShell as Administrator
• Change the PowerShell Directory to Desktop by running below command

        CD $Home/Desktop

• Run the below PowerShell Cmdlet to expand the WinRE partition

        WinRE.ps1 -SkipConfirmation $true -BackupFolder c:winre_backup

• Try to install the Windows update now.

You can also watch my YouTube video below to know how to fix this error on Windows 11.