If you watch this error code 0x80070643 on your Windows computer, you are not alone. Many peoples Windows users have reported this error. It is a general error that can appear on your computer screen during the automatic update of Windows update.
How To Fix the 0x80070643 error in Windows Update — This is the error you can see when you are trying to install some updates in Windows Update.
Fix the 0x80070643 error during a program installation— This is the error that can occur when you are trying to install a program.
Way 1: How To Solve Error 0x80070643 on Windows Update
Install the latest .NET Framework
The .Net Framework is an important part of the installation of system updates. If the .NET framework missing on your computer, you may fail to install the updates. You can download the latest .NET Framework from Microsoft and install it on your computer. To download and install the .NET Framework:
Open the downloaded file and follow the on-screen instructions to install it.
After you finish the installation, run Windows Update again and see if you can install the system updates.
Run an SFC scan on your computer
Your computer show corrupted files that stop Windows Update from installing the updates. After that you can go to An SFC scan can help you find out these files and replace them with correct ones. To run an SFC scan:
Click on the Start menu at the bottom left.
After That, You Can Type “cmd“. When you see Command Prompt appear in the menu above on your computer, right click on it and select Run as administrator.
In Command Prompt, type “sfc /scannow” and press Enter.
Wait for the scan to complete.
Try installing the system updates. If this method works for you, you will not see the error again.
Install the system updates manually
You can try installing the updates on your own to get around this problem. To install the system updates manually:
3.1) First You Can Right click on This PC or Computer on the background and select Properties.
3.2) In Your System window, check the System type entry to see if your operating system is 32-bit (x86-based) and 64-bit (x64-based).
3.3) After That Open Windows Update and check the updates you have failed to install. Copy the codes of these updates (the codes starting with “KB“).
3.5) After That Find the update that is suitable for your operating system type (x86-based or x64-based)and click on the Download button next to it.
3.6) After That Wait for the download to complete. Then install the downloaded file.
Disable your antivirus software temporarily
Maybe your antivirus software conflicting with the programs or Windows Update on your computer and bring a show about the 0x80070643 error code. You can try disabling your antivirus software to see if this solves your problem. You can disable all of the antivirus software functions and go to the Window Update to see if it can update your system normally.
Way 2: How to Fix 0x80070643 error
If you see a 0x80070643 error when you are installing a program, you can try the 2 methods below.
Restart your computer
If possible that a previous installation requires a restart of your computer to complete. Restart your computer and install the program again. After that complete the installation then.
Restart the Windows Installer service in your computer
There may be show faulty configurations in the Windows Installer service resulting in the error 0x80070643 and restart the service can fix the error then go to restart window installer service :
On your keyboard, press Windows key and R key.
You Can Type “services.MSC” and press Enter to open the Services window.
Click on window installer function, then Restart
If this method works for you, you will be able to install your program without the error troubling you.
Repair and install .NET Framework
Your 0x80070643 error may occur if the .NET Framework installation on the computer has become corrupted. You should repair and re-install it to see if this fixes the issue:
Open the .NET Framework download the file and follow the on-screen instructions to install it.
Go to try installing the program again and see if the error is gone.
If you are still facing issue after completion of these steps contact online technical support. They have the Certified and experienced technician who will help you to get rid of the 0x80070643 error code.