Microsoft Windows Error Code 0xC0000227: How to Fix It
Medium 1-3 hours Critical Severity
Verified June 2026
- Error Code
- 0xC0000227
- Brand
- Microsoft Windows
- Product Type
- operating_system
- Severity
- Critical
- DIY Difficulty
- Medium
- Estimated Fix Time
- 1-3 hours
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Tools You'll Need
- Windows installation USB or recovery drive (optional)
- External storage for file backup (optional)
How to Fix Error Code 0xC0000227
-
Boot into Windows Recovery Environment (WinRE)
Your PC will restart multiple times. Do not interrupt the process. -
Run System File Checker (SFC)
-
Run DISM to Fix System Image
Ensure you have a stable internet connection if using online source. -
Check and Repair File System with CHKDSK
Force checking the disk can take several hours. Do not interrupt. -
Use System Restore
Some settings and installed programs may be removed. -
Reset or Reinstall Windows
Back up your files if possible. A clean install erases everything.
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When to Call a Professional
If you cannot boot into Windows or WinRE, or if steps fail due to hardware errors like a failing hard drive, take your PC to a professional technician.Frequently Asked Questions
What causes Windows error 0xC0000227?
This error is usually caused by corrupted system files, a damaged master boot record (MBR), hard drive errors, or a failed Windows update. It indicates that the file system repair process could not complete.
Can I fix error 0xC0000227 without losing my data?
Yes. Using System Restore or the "Keep my files" option in Reset this PC will preserve your personal files. However, it's always recommended to back up your data if possible.
How do I create a Windows recovery drive?
On a working Windows PC, search for "Create a recovery drive" in the Start menu. Insert a USB flash drive (8GB or larger), follow the wizard, and select "Back up system files to the recovery drive". This can help boot into WinRE.
Do I need a Windows product key to reinstall?
If your device came with Windows pre-installed, the key is embedded in the BIOS and will be detected automatically. For retail copies, you may need the product key.
What if CHKDSK finds bad sectors?
Bad sectors indicate physical damage to your hard drive. Back up your data immediately and consider replacing the drive. Use the manufacturer's diagnostic tool to verify.