How to Fix Windows 10 Update Error 0x800703f1

PC errors should be taken seriously. If you ignore these problems, you will face other problems over time. You can avoid this by reviewing the error symptoms and taking the necessary steps.

Normal operation of your computer may be affected by poor system performance, messages and terms in the installation log file, such as 0x800703f1. In this case, the error must be corrected immediately.

Disable Antivirus

Whether you’re using Windows Defender or a third-party security solution, your antivirus can trigger error 0x800703f1.

If you are using a non-Microsoft product, read the manual and disable the software. If this works, you should contact the seller and report the problem.

If you’ve protected your PC with Windows Defender, you can disable it in Windows 10 as follows:

  • Open the Settings app with the Windows logo and the “I” key combination.
  • Go to the Update & Security section.
  • Go to the left pane and select Windows Security.
  • Then go to the right pane and select “Open Windows Defender Security Center”.
  • Click Virus & threat protection. Then open the Virus & Threat Protection settings.
  • Disable real-time protection.

Clean Boot Windows 10

If the problem persists, I recommend putting your computer in a clean boot state and checking if that helps. If you start the system in a clean state, you can determine if the problem is caused by third-party applications or startup items.

A clean boot process is performed to start Windows with minimal drivers and startup programs. This helps prevent software conflicts that occur when you install a program or update, or when you run a program in Windows 10. You can also troubleshoot or determine what conflict exists. cause the problem by doing a clean restart.


  • Applies to Windows 10.
  • After troubleshooting, go to the “How to restart your computer normally after troubleshooting with a clean restart” at the link provided to return to normal startup.

Restart all Windows Update Components

Depending on the user, sometimes this issue can be caused by Windows Update components. To resolve this issue, you must manually restart all Windows Update components. You just need to execute a few commands on the command line. Do the following:

Run Command Prompt as Administrator

Run the following commands when starting command line:

  • Network shutdown wuauserv
  • net stop cryptSvc cryptSvc cryptSvc
  • Network shutdown bits
  • net stop msiserverver
  • ren C:\Windows\SoftwareDistribution SoftwareDistribution SoftwareDistribution.old
  • ren C:\Windows\System32\catroot2 Catroot2 Catroot2.old
  • net start wuauserv
  • net start cryptSvSvc
  • Mains start bits
  • net start msiserverver

After running these commands, try running Windows Update again and see if the problem is still there.