Windows update error

Hi Daniel Murphy,
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For further information, you may follow this article to troubleshoot the Windows update: Windows Update Troubleshooter - Microsoft Support.

Alternatively, you may manually download the update package to install through Microsoft Update Catalog. Just enter the KB you need to Search form then choose the package right for your system.

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Hi, good day!

Microsoft has begun implementing and releasing Optional preview updates that are typically released on the 3rd or 4th week of every month. These updates allow admins to test the patch before its mandatory launch on Patch Tuesday (2nd week of the month). If you are not experiencing any issues with your system, there is no need to install the preview updates.

To prevent optional preview updates from appearing and installing, press Start > Settings > Windows Update. Toggle off "Get the latest updates as soon as they're available" option. Restart your computer.

I look forward to receiving your update and I'm willing to collaborate with you till we resolve the issue. Do keep me informed by clicking "Add comment" below.

Error 0x800703f1 is commonly associated with corrupted or missing system files that affect Windows Update and component servicing. Use the following sequence to repair the system and then retry the updates.

1. Run System File Checker (SFC)
2. In the search box on the taskbar, type command prompt.
3. Select Run as administrator.
4. In the Command Prompt window, run:

      sfc /scannow
   

5. Wait for the scan to complete and apply any repairs.
6. Repair Windows image and update components If SFC reports issues or the error persists after it completes:
7. Open Command Prompt as administrator again.
8. Run the DISM repair command (repairs the Windows image used by updates):

      DISM.exe /Online /Cleanup-image /Restorehealth
   

9. Let it finish, then restart the PC.
10. Reset Windows Update services and cache
11. In the search box, type command prompt, then select Run as administrator.
12. Run these commands one by one, pressing Enter after each and waiting for completion:

        net stop bits
        net stop wuauserv
        ren %systemroot%\softwaredistribution softwaredistribution.bak
        ren %systemroot%\system32\catroot2 catroot2.bak
        net start bits
        net start wuauserv
    

13. Restart the PC.
14. Go to Start > Settings > Update & Security > Windows Update (or Settings > System > Windows Update on newer builds) and select Check for updates, then try installing the problematic updates again.
15. Run the Windows Update troubleshooter
16. Open Settings.
17. On Windows 11: System > Troubleshoot > Other troubleshooters.
18. Find Windows Update and select Run.
19. Follow the on-screen instructions and apply any fixes it suggests.
20. General checks that also help with slowness

• Ensure there is sufficient free disk space: at least 20 GB for 64-bit systems when upgrading or installing larger updates. If space is low, use the guidance in Free up drive space in Windows from the referenced article.
• Restart the PC after updates attempt, and if any updates partially installed, let Windows complete configuration by choosing Update and restart or Update and shut down when available in the power menu.

If, after SFC, DISM, resetting the update cache, and running the troubleshooter, 0x800703f1 still occurs for those KBs, a repair install or “Reset this PC” (keeping personal files) is typically the next step, but those procedures are not detailed in the provided context.

References:

• Troubleshoot problems updating Windows
• Rename software distribution folders
• Get help with Windows upgrade and installation errors