Fixing Windows Update Error 0x80070643 (Step-by-Step Guide)

Fixing Windows Update Error 0x80070643 (Step-by-Step Guide)

Are you trying to update Windows and encountering the frustrating error code 0x80070643? Don't worry, you're not alone. This error can occur for various reasons, but the good news is there are solutions! This blog will guide you through step-by-step fixes to get your updates rolling again. 

Understanding the Error:

The error code 0x80070643 indicates a problem during the Windows Update process. It usually appears with a message like "There were some problems installing updates, but we'll try again later." This can be caused by glitches in the Windows Update service, corrupted update files, or insufficient space on your device.

Fixing the Error:

Here are some methods you can try, starting with the easiest: 

1. Restart & Retry:

Sometimes, a simple restart is all it takes. Reboot your computer and then try running Windows Update again. This can clear temporary glitches that might be causing the issue. 

2. Run the Windows Update Troubleshooter:

Microsoft offers a built-in troubleshooter specifically designed to diagnose and fix Windows Update problems. To run it:

   1. Go to Settings > Update & Security > Troubleshoot.

   2. Click on "Additional troubleshooters".

   3. Select "Windows Update" and run the troubleshooter.

 

3. Clear the Windows Update Cache:

Corrupted temporary files can also cause update issues. Here's how to clear the cache:

   1. Press Windows Key + R to open the Run dialog box.

   2. Type "services.msc" and press Enter.

   3. Locate "Background Intelligent Transfer Service" and "Windows Update" services.

   4. Right-click on each service, select "Stop", and then "Start" again.

   5. Now, open File Explorer as administrator.

   6. Navigate to C:\Windows\SoftwareDistribution.

   7. Delete all files and folders within this directory (don't worry, these are temporary files).

 

4. Reset Windows Update Components (Advanced):

If the above methods don't work, you can try resetting Windows Update components using Command Prompt commands. This is a bit more technical, so proceed with caution and refer to a detailed guide online if needed.

 

5. Resize Recovery Partition (if applicable):

In some cases, a small recovery partition might hinder updates. This fix involves using Disk Management tools and is recommended for advanced users only. Refer to Microsoft documentation for specific instructions on resizing your recovery partition based on your system (MBR or GPT).

 

6. Additional Tips:

* Disable Antivirus Software Temporarily: Security software can sometimes interfere with updates. Try temporarily disabling your antivirus and then running the update again. Remember to re-enable it afterward.

* Check for Disk Errors: Hard drive issues can also cause update problems. Run a disk check using the Command Prompt command `chkdsk /f C:` (replace C: with your drive letter if different).

 

By following these steps systematically, you should be able to resolve the 0x80070643 error and get your Windows updates installed successfully. If you're still facing issues, consider referring to Microsoft support for further assistance.