How to Fix Windows 10 Update Error 0x80070643

Posted by Srikant on

Error 0x80070643 is a common issue that can occur when you try to install Windows updates or other software on Windows 10. This error typically points to a problem with system files, .NET Framework, or other components required for the update process. Below are the steps you can take to troubleshoot and resolve the 0x80070643 error.

1. Restart Your Computer

Sometimes, a simple restart can resolve issues with pending updates or corrupted temporary files.

  • Action: Click the Start button, select Power, and then click Restart. After your computer restarts, try installing the update again.

2. Run the Windows Update Troubleshooter

The Windows Update Troubleshooter is a built-in tool that can automatically find and fix issues related to Windows Update.

  • Action:
    • Go to Settings > Update & Security > Troubleshoot > Additional troubleshooters.
    • Select Windows Update under the Get up and running section and click Run the troubleshooter.
    • Follow the on-screen instructions to let the troubleshooter identify and fix any problems.

3. Repair the .NET Framework

Error 0x80070643 is often associated with issues in the .NET Framework. Repairing the .NET Framework can fix the problem.

  • Action:
    • Press Windows + R to open the Run dialog, type appwiz.cpl, and press Enter.
    • In the Programs and Features window, click Turn Windows features on or off on the left.
    • Look for .NET Framework 4.8 (or a similar version depending on your system).
    • Uncheck the box to disable it, then restart your computer.
    • After restarting, go back to the same window and recheck the .NET Framework box to enable it again.
    • Click OK and restart your computer once more.

Alternatively, you can download the .NET Framework Repair Tool from Microsoft’s official website and follow the prompts to repair your .NET Framework installation.

4. Clear the Software Distribution Folder

The Software Distribution folder stores temporary files related to Windows Update. Corruption in this folder can cause update errors, including 0x80070643.

  • Action:
    • Type cmd in the search box, right-click Command Prompt, and select Run as administrator.
    • Stop the Windows Update services by typing the following commands and pressing Enter after each:
      net stop wuauserv
net stop cryptSvc
net stop bits
net stop msiserver
    • Rename the Software Distribution folder:
      ren C:\Windows\SoftwareDistribution SoftwareDistribution.old
    • Restart the Windows Update services by typing the following commands:
      net start wuauserv
net start cryptSvc
net start bits
net start msiserver
    • After completing these steps, try to install the update again.

5. Install the Update Manually

If the automatic update continues to fail, you can manually download and install the update from the Microsoft Update Catalog.

  • Action:
    • Visit the Microsoft Update Catalog website.
    • Search for the update using the KB number provided in the Windows Update settings.
    • Download the update file that matches your system architecture (32-bit or 64-bit).
    • Run the downloaded file to manually install the update.

6. Use the System File Checker (SFC) and DISM Tools

Corrupted or missing system files can also cause error 0x80070643. Running the SFC and DISM tools can help repair these files.

  • Action:
    • Open Command Prompt as an administrator.
    • Run the System File Checker (SFC) tool by typing:
      sfc /scannow
    • After SFC completes, run the Deployment Imaging Service and Management Tool (DISM) by typing:
      DISM /Online /Cleanup-Image /RestoreHealth
    • After both scans complete, restart your computer and try the update again.

7. Repair or Reinstall Microsoft Office (If Applicable)

If you encounter error 0x80070643 while updating Microsoft Office, repairing or reinstalling Office might fix the problem.

  • Action:
    • Open the Control Panel and go to Programs and Features.
    • Find Microsoft Office in the list, right-click it, and select Change.
    • Choose the Repair option and follow the on-screen instructions. If this doesn’t work, you may need to uninstall and then reinstall Microsoft Office.

8. Disable Your Antivirus Temporarily

Sometimes, third-party antivirus software can interfere with the update process. Temporarily disabling it might allow the update to install correctly.

  • Action: Right-click on your antivirus icon in the system tray and select the option to disable it temporarily. Once disabled, try to install the update again.

Note: Ensure you re-enable your antivirus software after the update is installed.

9. Reset Windows Update Components

If the error persists, resetting Windows Update components to their default settings might help.

  • Action: Use the following steps to reset the Windows Update components manually:
    • Open Command Prompt as an administrator.
    • Stop the Windows Update services:

      net stop wuauserv
net stop cryptSvc
net stop bits
net stop msiserver
    • Rename the SoftwareDistribution and Catroot2 folders:
      ren C:\Windows\SoftwareDistribution SoftwareDistribution.old
ren C:\Windows\System32\catroot2 Catroot2.old
    • Restart the Windows Update services:
      net start wuauserv
net start cryptSvc
net start bits
net start msiserver
    • Restart your computer and check for updates again.

10. Perform a Clean Boot

A clean boot starts Windows with a minimal set of drivers and startup programs, which can help determine if background software is interfering with Windows Update.

  • Action:
    • Type msconfig in the search box and press Enter.
    • In the System Configuration window, go to the Services tab.
    • Check Hide all Microsoft services and then click Disable all.
    • Go to the Startup tab and click Open Task Manager.
    • In Task Manager, disable all startup items.
    • Close Task Manager and click OK in the System Configuration window.
    • Restart your computer and try installing the update again.

Conclusion

Windows Update error 0x80070643 can be a stubborn issue, but by following the steps outlined above, you can usually resolve it. Whether it’s running built-in troubleshooting tools, repairing the .NET Framework, or manually installing updates, these methods will help you overcome the error and keep your system up to date.






sd 

Comments

Post a Comment