Back to Home
Error 0x800f081f: Windows Update Failed
windows-errors

0x800f081f

Error 0x800f081f: Windows Update Failed

20 views
Updated March 15, 2026

Quick Fix

Run the Windows Update Troubleshooter, then execute DISM /Online /Cleanup-Image /RestoreHealth and sfc /scannow to repair corrupted files.

What it Means

The 0x800f081f code appears when Windows cannot download or install an update because the component store is damaged or missing files. It stops the Update Service from applying critical patches.

Possible Causes

  • 1
    Corrupted component store (CBS)
  • 2
    Missing or damaged update files
  • 3
    Incorrect Windows Update service settings
  • 4
    Network or proxy issues
  • 5
    Wrong system time and date

How to Fix

    Step-by-Step Solutions

    1. Open Settings → Update & Security → Troubleshoot → Additional troubleshooters → Windows Update

      Launch the built‑in troubleshooter to automatically detect and fix common update problems.

    2. Run DISM to repair the component store

      DISM scans the Windows image for corruption and replaces damaged files.

      DISM /Online /Cleanup-Image /RestoreHealth
    3. Run SFC to verify and repair system files

      SFC checks all protected system files and restores them if needed.

      sfc /scannow
    4. Reset Windows Update components

      Stop services, rename SoftwareDistribution and Catroot2 folders, then restart services to clear stale data.

      net stop wuauserv && net stop bits && net stop cryptsvc && net stop msiserver && ren C:\\Windows\\SoftwareDistribution SoftwareDistribution.old && ren C:\\Windows\\System32\\catroot2 Catroot2.old && net start wuauserv && net start bits && net start cryptsvc && net start msiserver
    5. Delete the SoftwareDistribution folder

      Removing the folder forces Windows to rebuild the update cache, eliminating corrupted downloads.

      rd /s /q C:\\Windows\\SoftwareDistribution
    6. Check date and time settings

      Incorrect time can block updates; set to automatic or correct manually.

    Commands You Can Try

    DISM /Online /Cleanup-Image /RestoreHealth
    sfc /scannow
    net stop wuauserv && net stop bits && net stop cryptsvc && net stop msiserver && ren C:\\Windows\\SoftwareDistribution SoftwareDistribution.old && ren C:\\Windows\\System32\\catroot2 Catroot2.old && net start wuauserv && net start bits && net start cryptsvc && net start msiserver
    rd /s /q C:\\Windows\\SoftwareDistribution

    Technical Details

    Error TypeRuntime
    SeverityMedium
    Platformwindows-errors
    App VersionAll

    Still stuck?

    Pro tips

    • Use the latest Windows Update Agent version
    • Keep system drivers up to date
    • Run updates in safe mode if network problems persist
    • Check for pending restarts before applying updates

    If the error persists after running all commands, after a clean boot, or if you suspect hardware failure, contact Microsoft Support or a qualified technician.

    If these solutions didn't help, try searching our database for similar issues.

    Contact Support