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0x80080005

Microsoft Windows Update

Severity: Moderate

What Does This Error Mean?

Windows Update error 0x80080005 means a required background service failed to start when Windows Update tried to run. This is called a server execution failure. It is usually caused by a corrupted Windows Update service, missing system files, or permissions issues.

Affected Models

  • Windows 10
  • Windows 11
  • Windows 8.1

Common Causes

  • The Windows Update service or a dependent service failed to start properly
  • Windows Update component files are corrupted or missing
  • User account permissions have been changed, blocking Windows Update from running
  • Malware has damaged Windows Update service files or registry settings
  • The Windows Update cache (SoftwareDistribution folder) is corrupted

How to Fix It

  1. Run the Windows Update Troubleshooter. Go to Settings > System > Troubleshoot > Other troubleshooters > Windows Update > Run.

    This tool automatically detects and fixes common Windows Update service failures. It is the fastest first step.

  2. Restart all Windows Update related services. Open Command Prompt as Administrator and run: net stop wuauserv — net stop bits — net stop cryptsvc

    After stopping them all, start them again: net start wuauserv — net start bits — net start cryptsvc

  3. Clear the Windows Update cache. With the services stopped, rename the SoftwareDistribution folder: ren C:\Windows\SoftwareDistribution SoftwareDistribution.old — then restart the services.

    Windows creates a fresh SoftwareDistribution folder automatically. The old folder can be deleted later if everything works.

  4. Run System File Checker and DISM. In an elevated Command Prompt: sfc /scannow — then: DISM /Online /Cleanup-Image /RestoreHealth

    These commands repair corrupted Windows Update system files that may be causing the service execution failure.

  5. Check that Windows Update is running as the correct system account. Open services.msc, right-click Windows Update > Properties > Log On tab. Make sure it is set to 'Local System account.'

    If a third-party tool changed this setting, the service cannot execute properly.

When to Call a Professional

If resetting Windows Update components and running sfc/DISM does not resolve this error, the Windows Update infrastructure may be seriously corrupted. A technician can perform a repair install of Windows, which fixes the update system without deleting your files.

Frequently Asked Questions

What services does Windows Update depend on?

Windows Update requires several services to run: Windows Update (wuauserv), Background Intelligent Transfer Service (BITS), Cryptographic Services (cryptsvc), and Windows Installer. If any of these are stopped or broken, Windows Update will fail to execute.

Is it safe to rename the SoftwareDistribution folder?

Yes, it is completely safe. This folder is just a cache of downloaded update files. Renaming it forces Windows to create a fresh empty folder. The only downside is that previously downloaded updates will need to be downloaded again.

Can this error prevent security updates from installing?

Yes. This error completely blocks Windows Update from running. Security updates will not install until the error is fixed. This is why it is important to resolve it quickly — leaving security patches uninstalled exposes your computer to known threats.