Microsoft Windows Error Code 0xC0000510: How to Fix It

Medium 15-30 minutes Medium Severity Verified June 2026
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Error Code
0xC0000510
Brand
Microsoft Windows
Product Type
operating_system
Severity
Medium
DIY Difficulty
Medium
Estimated Fix Time
15-30 minutes
Error code 0xC0000510, also known as STATUS_INVALID_TASK_NAME, occurs when Windows Task Scheduler encounters a task name that is not formatted correctly or contains invalid characters. This error often appears when trying to run or create scheduled tasks and can affect system performance. Follow the steps below to resolve the issue.
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Tools You'll Need

How to Fix Error Code 0xC0000510

  1. Open Task Scheduler

  2. Locate the Invalid Task

  3. Disable the Problematic Task

    Do not disable essential system tasks if you are unsure.

  4. Export and Delete the Task

    Deleting tasks may affect scheduled operations; ensure you have a backup.

  5. Clear Corrupt Task Cache

    Be careful when using command line; double-check the task name.

  6. System File Checker (SFC) Scan

    Do not close the Command Prompt during the scan.

  7. Restart and Test

    System Restore may remove recently installed programs.
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When to Call a Professional

If you are unable to identify the invalid task, or if the error recurs after deletion, contact a Windows support professional. Data recovery or advanced registry repair may be needed.

Frequently Asked Questions

What causes error 0xC0000510?
Error 0xC0000510 is caused by an invalid task name in Task Scheduler. This can happen if a task name contains illegal characters (like \ / : * ? " < > |), is too long, or the task XML is corrupted.
Can I fix error 0xC0000510 without deleting tasks?
Yes, you can try disabling the task instead of deleting. If disabling doesn't help, you can edit the task's name (if possible) to remove invalid characters, but deletion is often the simplest fix.
Is there a way to find the invalid task quickly?
Check the Windows Event Viewer (Applications and Services Logs > Microsoft > Windows > TaskScheduler > Operational) for error details. The event will specify the task name that caused the error.
Will deleting a task harm my system?
Most task deletions are safe unless the task is required for system operations (e.g., Windows updates). Always export the task first so you can re-import it later if needed.
Does this error affect other functionality?
The error is specific to Task Scheduler, so it may prevent scheduled tasks from running. It typically does not affect other system operations, but can cause intermittent pop-ups or application crashes.

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