How To Fix 0x80070643 Error Code on Windows 10?

The error code 0x80070643 is the most commonly seen Windows update error code. This error primarily befalls when you trying to update Windows. As a result of this error code, we will see a warning window saying that there were some issues while installing the Windows updates on your PC. There could be a number of reasons that can cause the issue such as an issue with the database, the .NET framework outdated version, or system files are corrupted or missing.

If you’re also going through the same issue then believe me you’re not alone,  numerous other users also going through the same. Thanks to our tech experts who helps us to learn about how to fix install error 0x80070643 on Windows.

In this post, we will share some effective yet simple methods that proven helpful for thousands of users to solve the fatal error during installation 0x80070643. Additionally, I will share the potential causes that bring the error 0x80070643.

error 0x80070643

What Brings 0x80070643 Error Code?

0x80070643 error

This error code mainly pops up as a result of misconfigured system settings. But there are some other reasons also that are equally responsible for the error code, some of them are shown below.

  • Having issues while installing the latest Windows update.
  • Corrupted or missing system files.
  • Windows has a lack of privileges
  • Your computer might be affected by the virus or malware.
  • The issue with the .NET framework.

These were some of the possible reasons that bring the windows update error 0x80070643.  Whatever the reason is, you need not take stress cause we have mentioned the solutions below in a very easy manner, all you need to do is to follow the solutions carefully and in the end, you will able to fix the 0x80070643 fatal error during installation.

So without taking your time shall we proceed to the solutions.

How To Fix 0x80070643 Error Code?

In this section, we will let you know about the steps involved in fixing the error 0x80070643 failed to install the MSI package.

1. Clean Boot:-

A clean boot is one of the prominent methods that can help to fix this error code effectively. But as a non-techie guy, you might not aware of the process of the clean boot. We have come up in rescue to those by explaining the steps involved in performing a clean boot.

  • Invoke the search box by pressing Windows+R simultaneously. Later enter MSConfig in the search field.

0x80070643 error

  • This will lead you to the System Configuration window, click on the System tab, and mark the checkbox available before the Hide all Microsoft services followed by clicking on Disable All.


  • Now click on Ctrl+Shift+ESC to launch the task manager and tap on Disable to quit the task manager.
  • As you followed all the steps, now you need to restart your PC.

2. Install The Most Advanced Version Of .NET Framework:-

The .NET framework plays a vital role in updating the Windows, if you tend to use the outdated version of the .NET framework then you will possibly see this error code.  The subsequently written steps will let you do this.

  • First, you should need to the official website of the .NET framework.
  • Choose the latest version of the .NET framework.
  •  Download the framework by following the on-screen prompts.
  • Once the download is finished, double click on the .exe file and install the framework.

0x80070643 error

3. Run SFC Scan:-

SFS or System File Checker proven helpful to replace or fix any of the damaged or missing system files that can cause the issue. It’s quite easy to take benefit of SFC scan utility, let’s see how to do this.

  • First, you should launch the CMD with the admin privileges.

CMD administrator

  • Once the CMD is loaded, enter the command sfs/scannow and hit the enter button.

sfs scannow

  • The scanning will demand some time, so you needed to keep some patience.

4. Take Help Of Windows Troubleshooter:-

Troubleshooter is one of the powerful inbuilt Windows utility that helps to resolve the issue. The following steps will enable you to take advantage of Windows Troubleshooter.

  • Hold Windows+I simultaneously on your Windows computer. This will lead you to Windows settings.
  • Here you will see a few options update & security will be among them, click on it proceed to the next step.

update & Security

  • In the right panel of the screen, you will manage to see the Troubleshoot option click on it to begin the troubleshooting process.

Windows troubleshoot

This utility is employed with powerful features and will fix the issue automatically that prevents Windows from updating.

5. Restart Windows Installer:-

If none of the solutions work for you then this the step you can follow to fix the error code. To do so you need to follow the steps we have mentioned below.

  • Press Windows+R on your computer keyboard and then feed services.msc in the search box.


  • Locate the Windows Installer and in the left panel, you will see the restart option click on it.

Windows installer

Final Take:-

In this post, we have mentioned all the steps you can take to fix the 0x80070643 error.  These steps are tested by thousands of users and work well for them to fix the issue. In the worst cases when these steps failed to deliver the desired outcomes for you then we suggest you take the help of Microsoft forms.

I hope you have enjoyed today’s informative post, if yes then we request you to share our post on your social media channels. And with that we come to the end of the post, if any of the questions remain unanswered then don’t be shy to share with us.

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