Solution to Fix the 0x80070643 Error

There are few things more annoying than getting error messages, particularly when you’re in process of installing upgrades or installing new software. A common and annoying problem can be the error code 0x80070643.. Be assured that you’re not the only one! The error typically occurs during Windows Update installations or when installing particular programs, for example, Microsoft Office or antivirus software. But the good news? You can fix it by a bit of troubleshooting perseverance.

In this article, we’ll guide us through the reasons behind this issue and offer steps-by-step solution for resolving the issue quickly.

What Causes the 0x80070643 Error?

The error code 0x80070643 can be caused by a variety of problems, such as:

Software installations that are corrupted or insufficient.
Incorrect or outdated .NET Framework files.
The corrupted system files, or registry entries.
Problems with antivirus software interfering with installation.
There are issues have been reported with problems with the Windows Update service itself.

Finding out the source of the problem can make it simpler to address the issue directly. Let’s now look at ways to address it.

Solutions to Fix the 0x80070643 Error

Follow these steps to fix the issue. The first step is to try the procedure, and if that does not work, then move on to the next step.

1. Restart Your Computer

Sometimes all you require is a quick restart. Rebooting your PC can delete temporary files as well as refresh the system’s services.

Keep your work safe and end any application.
Start your computer and test the failed installation.

If the issue continues continue to the next step.

2. Update Windows

Incorrect system files could trigger problems during installation. Check that your operating system updated.

You can open the Settings using the keys Windows + I.
Navigate to Update & Security > Windows Update.
Click Check for Updates.
Install any software updates you are waiting for and reboot your system.

3. Repair or Reinstall .NET Framework

Numerous updates and programs rely heavily on .NET Framework. If the framework is damaged or out of date this could cause error code 0x80070643.

Open the Control Panel.
Navigate to Programs > Features and Features > turn Windows features off or on.
Look for and select the .NET Framework options and make sure you have them activated. If they are not, make sure to check the box and then select “OK”..
Alternately, download the most recent version .NET Framework from Microsoft’s official site and install it.

Start your computer and try installing the application once more.

4. Run the Windows Update Troubleshooter

Windows includes a troubleshooter built in to assist in resolving issues related to updates.

Open Settings and go to Update & Security > Troubleshoot.
Click on Additional Troubleshooters.
Choose Windows Update and launch the troubleshooter.
Follow the instructions on screen to resolve the issue instantly.

5. Temporarily Disable Your Antivirus

The antivirus software, though essential in securing your system, it can occasionally interfere with the installation of software.

Start your antivirus software.
Select the option to turn off any real-time protections or protections.
Stop the antivirus temporarily and then try to install it.

Make sure to enable your antivirus again after having completed the installation.

6. Perform a System File Check (SFC Scan)

System files that are corrupt can lead to problems with installation. Perform the System File Checker (SFC) check to find and fix the files.

In the Windows search bar.
Right-click the the Command Prompt and choose the option to run as administrator.
Enter the command below and then press Enter

“`

SFC scannow

“`

The scan will take a while to finish and then repair the corrupted documents.

Start your computer, and then test the installation once more.

7. Manually Reset Windows Update Components

If the problem can be traced with Windows Update, resetting its components may resolve the problem.

Start the the Command Prompt for an administrator.
One at a time:

“`

net stop wuauserv

net stop cryptSvc

Net stop bits

net stop msserver

“`

These commands shut down all Windows Update, Cryptographic, Background Intelligent Transfer, and MSI Installer functions.

Next, rename the `SoftwareDistribution` and `Catroot2` folders:

“`

ren C:\Windows\SoftwareDistribution SoftwareDistribution.old

ren C:\Windows\System32\catroot2 Catroot2.old

“`

Then, you can restart the service:

“`

net start wuauserv

net start cryptSvc

Net start bits

net start msiserver

“`

Shut down your Command Prompt and reboot your system.

8. Reinstall Problematic Software

If the issue occurs when updating or installing third-party software Uninstalling the software and installing it again will fix the problem.

Open Control Panel > Programs > Uninstall a Program.
Look for the problem software, then uninstall the program.
Get the most recent version of the software on its official site.
Reinstall the program, and then check for any errors that persist.

9. Update Device Drivers

Drivers that are outdated or not compatible can be the cause of this issue. Install your driver by using the steps below:

Then, open the Device Manager by pressing it in the Windows search bar.
Explore each category further and search for drivers that have the yellow exclamation mark.
Select the driver with a right click and then the Update driver option..
Follow the steps to upgrade the driver on autopilot.

Wrapping Up

Fixing the error code 0x80070643 can be a daunting task, but with these steps-by-step strategies, you’ll be equipped to solve the issue. The issue could be due to damaged files, outdated software or even antivirus issues These methods can help you get back on track quickly.