Windows Automatic Repair Loop — How to Fix It

What Does This Error Mean?

From the Automatic Repair screen, choose Advanced Options → Startup Settings → Restart → press F4 to boot into Safe Mode. If Safe Mode works, the issue is a driver or software — uninstall the last thing you installed. If Safe Mode fails, use Startup Repair from the Windows recovery USB.

Affected Models

Windows 11
Windows 10
Windows 8.1

Common Causes

Interrupted Windows Update corrupting boot files
Failed driver installation preventing Windows from loading
Corrupted BCD (Boot Configuration Data) store
Hard drive with bad sectors preventing Windows from reading system files
Antivirus or third-party software corrupting a system file at boot

How to Fix It

Boot into Safe Mode

On the Automatic Repair screen → Advanced Options → Troubleshoot → Advanced Options → Startup Settings → Restart → press F4 (Safe Mode) or F5 (Safe Mode with Networking). In Safe Mode, uninstall recent drivers or updates.
Run Startup Repair

Advanced Options → Troubleshoot → Advanced Options → Startup Repair. Let it run — Startup Repair automatically fixes corrupted BCD and boot files. It may run for 10–20 minutes.
Rebuild the BCD manually

Advanced Options → Troubleshoot → Advanced Options → Command Prompt. Run these commands: bootrec /fixmbr → bootrec /fixboot → bootrec /scanos → bootrec /rebuildbcd. Restart after each command.
Run SFC and CHKDSK from recovery

In the recovery Command Prompt, run: sfc /scannow /offbootdir=C:\ /offwindir=C:\Windows — then: chkdsk C: /f /r — then restart. This repairs corrupted system files and checks the drive for errors.
System Restore

Advanced Options → Troubleshoot → Advanced Options → System Restore. Choose a restore point from before the loop started. This does not delete personal files but removes recently installed programs and drivers.

When to Call a Professional

If Startup Repair, SFC, and a system restore all fail, and the drive is healthy, a Windows repair install (keeping files) or clean install is required. Back up data first if possible.

Frequently Asked Questions

Automatic Repair loop after Windows Update — how to fix?

Boot into Safe Mode and uninstall the last Windows Update: Settings → Update & Security → View Update History → Uninstall Updates → remove the most recent cumulative update.

Automatic Repair says 'Your PC did not start correctly' — is my data safe?

Your data on the drive is very likely intact — the repair loop is a boot problem, not a data problem. Do not reinstall Windows until you have tried Startup Repair and SFC. Both fix the boot issue without touching personal files.

How long does Automatic Repair take?

Windows Automatic Repair typically takes 5–15 minutes. If it has been running for over 30 minutes with no progress, force-shutdown (hold the power button) and try booting into Safe Mode instead.