Fix: ‘Windows Update Error 0x80070643’ issue

Fix ‘Windows Update Error 0x80070643’ issue that can show up on your Windows computer’s screen during installation. Windows Updates are a big part of keeping your PC safe, bug-free, and up-to-date with the latest Windows features. Most likely, the operating system gives the error “Installation failed (data) – 0x80070643” when a Windows installation or Windows Update fails. Most of the time, this is caused by wrong system settings, but it can also happen after a PC crash or if the system has malware.

Many Windows users have said that they get the Windows Update install error 0x80070643 when they try to update to the latest version of Windows 10 or 11. The update error keeps coming back and probably won’t go away on its own. Luckily, there are a few tried-and-true ways to fix the Windows update error 0x8007064. Read on to find out how to Fix ‘Windows Update Error 0x80070643’ issue.

What is Error 0x80070643?

During the update process, your computer might suddenly show the 0x80070643 error message and restart itself. Other times, the installation process will go on without any obvious problems, but you will see the error message in the Windows Update section of your computer after all attempted updates have failed. This is what the error message says in full: We couldn’t get some updates to install, but we’ll try again later. If you keep seeing this and want to look for information online or contact support, this might help:

You’re probably wondering what causes the 0x80070643 error. The answer is not easy to find. It could be a malware or virus infection, files that aren’t working right, a driver that isn’t working right, or even leftovers from an old program you took off your computer. If the problem is caused by any of these things, the only way to fix it is to try different ways to fix it until you find one that works.

Understanding the Causes of Error 0x80070643

1. Incomplete or Corrupt Installation: The error may occur if a software installation or update process was interrupted or not completed successfully, leading to corrupted files or settings.
2. Conflicting Software: Sometimes, other security software or third-party applications running on the system might interfere with the installation process, causing the error.
3. Windows Update Issues: Error 0x80070643 can also be related to problems with the Windows Update service itself, such as service disruptions or misconfigurations.
4. Missing or Corrupted System Files: If essential system files required for the update process are missing or corrupted, it can trigger the error.
5. Registry Issues: Problems with the Windows Registry, like invalid entries or misconfigurations, can also lead to this error.
6. Malware or Virus Infections: In some cases, malware or viruses on the system may interfere with the installation process and cause this error.

Fix: ‘Windows Update Error 0x80070643’ issue

Restart the Security Center Service

1. Press the Windows key and the letter R to bring up the Run box.
2. In the Run box, type services.msc and press Enter. This will open the window for Services.
3. Look in the list of services for “Security Center.”
4. Right-click on the Security Center and choose Restart from the menu that comes up.
5. Wait a few seconds for the Security Center service to start up again.
6. Close the Services window once the service has started up again.

Install the Update Manually

1. Open your web browser and go to the Malware Protection Center portal on Microsoft’s Official website.
2. Go to the section of the website called “Updates.”
3. Find the updates for your system’s anti-malware, anti-spyware, and Network Inspection System software.
4. Click the link to download the update you want to install.
5. Follow the steps on the screen to get the files downloaded to your computer.
6. After you’ve downloaded the update files, double-click on each one to start the installation process.
7. Follow the steps shown on the screen to finish installing each update.
8. If you need to, restart your computer to make sure the updates are installed correctly.

Check Windows Updates

1. Quickly open the Settings app by pressing the Windows key + I on your keyboard.
2. Go to the section called Updates and Security.
3. Choose Windows Defender from the list on the left.
4. Click the button that says “Open Windows Defender Security Center.”
5. Go to the Virus and threat protection part of the Windows Defender Security Center.
6. Now, click on Updates to protection.
7. Click the button that says “Check for updates.”

Disable .NET Framework

1. Hit the Windows key and the letter S on your keyboard.
2. In the search box, type features, and from the list of results, choose Turn Windows features on or off.
3. In the window that comes up, scroll down to find Windows Communication Foundation HTTP Activation and Windows Communication Foundation Non-HTTP Activation.
4. Uncheck the boxes next to these two things to turn them off.
5. To save the changes, click OK.
6. To make sure the changes take effect, you need to restart your computer.
7. Check to see if the problem is still there after the computer has been turned back on.

Try Clean Boot

1. Open the Search menu, type “system configuration,” and press Enter.
2. Under Services, check the box that says “Hide all Microsoft services.”
3. Click the All Off button.
4. Go to the Startup tab and click on the Open Task Manager button.
5. Choose an outside program and click “Disable” at the top.
6. Repeat the previous step to turn off all third-party programs and apps.
7. Start your PC over to get to the clean boot state and check to see if the problem is still there.
8. If the problem went away after a clean boot, you can be sure that it was caused by a third-party app.
9. Go through all the apps and programs you just installed and delete them one by one.

Conclusion

Users often run into the Windows error 0x80070643 when they try to install a new update on their Windows operating system. It usually happens when installing security updates and is usually caused by broken files or problems with the Security app. This tutorial talks about the different ways to solve this problem for good.

Questions and Answers