Microsoft Windows Error Code 0xC0000030: How to Fix It

Medium 30 minutes to 2 hours Medium Severity Verified June 2026
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Error Code
0xC0000030
Brand
Microsoft Windows
Product Type
operating_system
Severity
Medium
DIY Difficulty
Medium
Estimated Fix Time
30 minutes to 2 hours
Error code 0xC0000030 on Windows indicates the operating system has encountered a combination of incompatible parameters, often during boot, driver loading, or when launching certain applications. This usually means a driver, service, or system file is conflicting with another component. The fixes range from simple reboots to system file repairs.
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Tools You'll Need

How to Fix Error Code 0xC0000030

  1. Restart Your Computer

  2. Run the Windows Memory Diagnostic

    Back up your data before running memory tests, as failing RAM can cause data loss.

  3. Perform a System File Check (SFC) Scan

  4. Run DISM to Repair System Image

  5. Update or Roll Back Problematic Drivers

    Incorrect driver updates can cause system instability. Only update drivers from the manufacturer's official website.

  6. Boot into Safe Mode to Isolate Software Conflicts

  7. Repair Windows Installation Using Installation Media

    This process may require a valid Windows product key. Backup your data before proceeding.
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When to Call a Professional

If you've tried all steps and the error persists, or if you are uncomfortable with command-line tools or system repair, contact a qualified PC technician or Microsoft Support.

Frequently Asked Questions

What causes error 0xC0000030 in Windows?
Error 0xC0000030 (STATUS_INVALID_PARAMETER_MIX) occurs when Windows receives a combination of parameters that are incompatible. This is often due to corrupt system files, faulty RAM, driver conflicts, or failed Windows updates.
Can I fix error 0xC0000030 without reinstalling Windows?
Yes, in most cases. Try restarting, running SFC and DISM scans, updating drivers, or using Safe Mode to isolate the problem. Reinstallation is a last resort.
Is error 0xC0000030 related to hardware failure?
It can be. Faulty RAM or a failing hard drive can trigger this error. Run Windows Memory Diagnostic and check your hard drive health using tools like CHKDSK.
What should I do if I see error 0xC0000030 during Windows startup?
Use Windows Recovery Environment (WinRE) by booting from installation media. Run Startup Repair, or try System Restore to revert recent changes. If that fails, boot into Safe Mode and uninstall recently installed software or drivers.
Do I need to back up my data before fixing error 0xC0000030?
Yes, always back up important files before attempting repairs, especially if running memory diagnostics or system file repairs. Use an external drive or cloud storage.

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