Microsoft Windows Error Code 0xC0000215: How to Fix It

Medium 1-2 hours Medium Severity Verified June 2026
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Error Code
0xC0000215
Brand
Microsoft Windows
Product Type
operating_system
Severity
Medium
DIY Difficulty
Medium
Estimated Fix Time
1-2 hours
Error code 0xC0000215 (STATUS_TRANSACTION_INVALID_TYPE) indicates a transaction type mismatch in Windows, often caused by corrupted system files, problematic updates, or driver conflicts. This error can prevent Windows from booting or cause sudden crashes. Follow these steps to diagnose and resolve the issue.
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Tools You'll Need

How to Fix Error Code 0xC0000215

  1. Boot into Safe Mode

  2. Run System File Checker (SFC)

  3. Check for Windows Updates

  4. Uninstall Recent Updates

  5. Update or Roll Back Drivers

  6. Perform a System Restore

    This will revert system files and installed programs to an earlier state without affecting personal files.

  7. Run DISM Tool

  8. Check for Malware

  9. Repair Boot Configuration Data (BCD)

    If you get 'Access Denied' when fixing boot, try 'bootrec /fixboot' after running 'diskpart' and selecting the system partition.

  10. Perform a Repair Install or Reset This PC

    Back up important files before resetting. A reset may remove some apps and settings.
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When to Call a Professional

If you are unable to boot into Safe Mode, cannot access the Windows installation media, or if the error persists after trying all steps, consider contacting a professional IT technician or Microsoft Support to avoid data loss.

Frequently Asked Questions

What causes error 0xC0000215?
This error is typically caused by corrupted system files, problematic Windows updates, faulty device drivers, malware infections, or boot configuration issues. It indicates a transaction type mismatch in the Windows kernel.
Can I fix error 0xC0000215 without losing data?
Yes, most methods (SFC, DISM, System Restore, uninstalling updates) preserve your personal files. The last resort 'Reset this PC' with the keep my files option also saves data.
How do I boot into Safe Mode if Windows won't start?
Use a Windows installation USB/DVD to boot, select 'Repair your computer' > 'Troubleshoot' > 'Advanced options' > 'Startup Settings' > 'Restart' and then press 4 or 5 for Safe Mode. Alternatively, interrupt the boot process three times (force shutdown at the Windows logo) to trigger Automatic Repair.
Is there a quick fix for error 0xC0000215?
A quick fix might be to uninstall recent Windows updates or run SFC scan. However, if the error persists, you may need to perform a System Restore or repair installation.
What does STATUS_TRANSACTION_INVALID_TYPE mean?
It means the system detected a transaction type that is invalid for the current operation, often due to kernel-level corruption or mismatched file versions.

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