Windows Updates play an important role in keeping your PC secure, bug-free, and up to date with the latest Windows features. Many Windows users have reported receiving Windows Update install error 0x80070643 when updating to the latest version of Windows 10 or 11.

The update error is persistent and is unlikely to go away on its own over time; Luckily, there are some tried and tested solutions to fix Windows Update error 0x8007064. Read on as we detail how you can quickly fix update installation error 0x80070643.

What causes Windows Update error 0x80070643?

Update error 0x80070643 is relatively common and can be caused by a number of factors. This is mainly caused by a corrupted driver, program or system files. Furthermore, if your PC is infected with malware, this update may be the reason for error 0x80070643. Unexpected shutdown or sudden power disconnection can also cause the error.

How to fix Windows Update error 0x80070643

You can try a few different solutions to fix error 0x80070643 on Windows 10 or 11. Before you jump to the hardcore fix, you should first reboot your system and retry installing the update you downloaded via the Settings app.

Download .NET Framework

The Microsoft .NET Framework is an essential component that allows Microsoft applications to work on Windows. It is quite common for outdated or corrupt .NET Framework to have update problems on your PC.

You can download the latest version of .NET Framework from Microsoft. After downloading the package, install it on your PC. Having the latest version of .NET Framework on your PC should fix update error 0x80070643.

If you are still facing the same Windows Update error message, you can try using Microsoft .NET Framework Repair Tool. This tool will detect and fix common problems with .NET Framework installations. The Repair Tool is available for free from Microsoft.

scan for malware

If your PC has been acting up lately, and you have noticed a drop in performance, a malware infection could be the main reason behind it. Malware such as viruses, Trojans, and worms can slow down your PC, corrupt system files, and even prevent Windows from updating.

We recommend performing a detailed anti-malware scan through a dedicated third-party antivirus or using Windows Security.

Alternatively, you can also try installing Windows Updates after temporarily disabling your antivirus software; In some cases, anti-virus software mistakenly blocks Windows Updates.

do an sfc scan

Corrupted system files can be the primary cause of error 0x80070643. An SFC scan is a comprehensive system utility tool that can locate and repair corrupted files on your Windows PC.

reboot windows installer

Windows Installer is responsible for installing, updating and removing programs on your Windows system. In this example a bug can cause error 0x80070643. A simple solution is to restart the service and install pending updates.

Windows Update Errors, Fixed

Updates are an essential part of the Windows ecosystem. Update error 0x80070643 is relatively common and can be easily fixed. If you’ve recently upgraded to Windows 11, you’ll be happy to hear that Microsoft has exciting plans to introduce new features.

Microsoft has decided to limit regular feature updates in Windows 11 to just one instance. Instead, a series of smaller and more regular updates will deliver new changes and settings.

While this is a welcome move, many are not sure exactly what the feature, web and online service experience packs are. Or even how and when Windows might deliver them. In this article, we have revealed the details. So let’s start.

Experience Pack updates are a way to update specific settings of your PC rather than a complete overhaul of all features. Microsoft chooses what to change based on user feedback.

Microsoft has talked about three specific experience packs so far: Feature Experience Pack, Online Services Experience Pack, and Web Experience Pack. Let’s look at them one by one.

The feature is a series of Experience Pack updates that focus on Windows apps not covered by major updates. They come on top of feature updates.

Instead of focusing on every major Windows update, the Online Services Experience Pack will focus on specific Windows programs, such as the Account Settings page.

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