0x80070643: Presentation of this update error

Error code 0x80070643 often appears due to Microsoft Defender. You usually just need to update this component, or the .NET framework, to get rid of error 0x80070643. Windows Troubleshooter can provide quick fix of error 0x80070643, done directly by the system.

Error code 0x80070643: what is it?¶

If Microsoft Defender is used to protect your computer, and therefore to ensure its proper functioning, it is precisely this component which is often the cause of error code 0x80070643. If you are faced with the latter, then important updates can be interrupted straight away. The error message received then looks like the following: “There were problems installing updates. Please try again later. If the error persists and you want to search the Internet for information or contact support, use the following error code: (0x80070643). « . Since the relevant updates are generally essential, you are absolutely responsible for correcting such an error. To do this, discover with us the solutions available to you.

Refresh Microsoft Defender to Fix Error 0x80070643¶

As you may have read above, the Microsoft Defender component is often responsible for error 0x80070643. In such a case, the real culprit usually takes the form ofan obsolete version of this firewall, which is very reliable. In some situations, error code 0x80070643 also appears after disabling the Microsoft Defender component. So always start by checking whether your security software is working properly. If so, you can update Microsoft Defender manually. To do this, follow the steps below:

1. Start by going to your settings.
2. Then look for the “Update & Security” section.
3. Select “Windows Security” from the left menu, then click “Open Windows Security” (on the right).
4. You can now see whether or not the Microsoft Defender component is enabled. If it is disabled, activate Microsoft Defender and then try running the update again. If it was activated, just proceed with the update.
5. To do this, access the Microsoft Defender official website and download the latest version available for the program.
6. The installation runs in the background, which means you don't get any insight into its progress. However, the process should not take more than a few minutes.
7. Then restart your computer and try running the update again. Error 0x80070643 should no longer appear.

0x80070643: check .NET framework¶

If the first solution does not work, it may mean that error code 0x80070643 is caused by the .NET framework instead. Indeed, if the latter is defective or if it is missing, this can often be a problem. But here too you can adjust it yourself. To do this, follow the steps outlined below:

1. Access the .NET framework website to get the most recent version. Then download the corresponding file.
2. Once the download is complete, open the file and follow the instructions given by the installation wizard.
3. Once the file is successfully installed, you can restart your computer. Finally, run the update again; error 0x80070643 should no longer appear.

Troubleshooting for error 0x80070643¶

Windows Troubleshooter can also help you fix error 0x80070643. This one will indeed analyze your system and take care of any necessary repairs yourself. To use it, you can follow these steps:

1. Open your settings again, and go to the “Update and security” item.
2. From the left menu, select “Troubleshooting,” then “Additional troubleshooting utilities.”
3. Scroll down a little until you find the “Windows Update” button, and click on it to start an automatic scan. In case any problem like error 0x80070643 is detected, the system itself takes care of repairing the affected files.
4. Once this process is complete, restart your computer and try running the update again.

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