Undoing changes 🪟 Windows

We couldn't complete the updates. Undoing changes. Don't turn off your computer.

An update failed during installation after reboot, so Windows rolled it back. The update history shows the error code.

Seen on: Windows

Meaning

Usually caused by a specific update failing (look up its code), low disk space, corrupted component store, or a driver/security tool interfering.

Common causes

  • Specific update failure (see history code)
  • Low disk space
  • Component store corruption
  • Antivirus/driver interference

⚡ Quick fix

  1. Check Settings → Windows Update → Update history for the error code
  2. Run the Windows Update troubleshooter, DISM and SFC
  3. Free space and retry; pause updates if it loops

Detailed fix by platform

Windows

  1. powershell
    Get-WindowsUpdateLog   # creates WindowsUpdate.log on the desktop
DISM /Online /Cleanup-Image /RestoreHealth

How to diagnose

  1. Code — Failure code in update history
  2. Space — Free disk space
  3. Logs — WindowsUpdate.log/CBS.log

🔧 Still not fixed?

Many errors look alike. If the steps above didn’t solve it, one of these is probably what you’re facing:

🧠 Still stuck? Analyze your error

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