Microsoft Windows Error Code 0xC0000120: How to Fix It

Medium 30-60 minutes Medium Severity Verified June 2026
Error Code
0xC0000120
Brand
Microsoft Windows
Product Type
operating_system
Severity
Medium
DIY Difficulty
Medium
Estimated Fix Time
30-60 minutes
Error code 0xC0000120 (STATUS_CANCELLED) in Microsoft Windows indicates that an operation was cancelled unexpectedly. This can be caused by corrupted system files, driver conflicts, or software interruptions. Follow these steps to resolve the error.
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Tools You'll Need

How to Fix Error Code 0xC0000120

  1. Run System File Checker (SFC)

    Do not close the Command Prompt during the scan.
  2. Run DISM Tool

  3. Check for Software Conflicts

  4. Update Drivers and Windows

    Back up your data before major updates.
  5. Perform System Restore

  6. Reinstall or Reset Windows

    Back up all important data before resetting or reinstalling.
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When to Call a Professional

If you're uncomfortable with command-line tools or system-level changes, or if the error persists after all steps, contact a professional technician.

Frequently Asked Questions

What does error code 0xC0000120 mean?
It means an operation was cancelled due to a system error, often caused by corrupted files or driver issues.
Can error 0xC0000120 be caused by malware?
Yes, malware can corrupt system files leading to this error. Run a full antivirus scan.
Will I lose data if I reset Windows?
If you choose 'Keep my files', your personal files are saved, but apps and settings are removed. Always back up first.
How do I boot into Safe Mode?
Restart your PC and press F8 repeatedly before Windows starts. Alternatively, hold Shift while clicking Restart in the Start menu.
Is there a quick fix for this error?
Try running SFC and DISM scans first; they often resolve the issue without data loss.