Knowledge

ERROR_CANCELLED - 1223 (0x4C7)

The operation was canceled by the user.

Updated: Feb 21, 2026

Technical Meaning

The ERROR_CANCELLED error code indicates that an operation was canceled by the user. This can occur in various scenarios where a user-initiated action interrupts or halts a process.

Error Details

  • Error Name: ERROR_CANCELLED
  • Numeric Code: 1223 (0x4C7)
  • Short Description: The operation was canceled by the user.

This error is typically returned when an application or system operation is interrupted due to a user action, such as closing a window, canceling a task, or terminating a process.

Usage Context

ERROR_CANCELLED can be encountered in various contexts within the Windows operating system. Common scenarios include:

  • User Interface: When a user closes a dialog box or cancels an operation through a graphical interface.
  • Command Line: When a command is interrupted by the user, such as canceling a file copy or deletion.
  • Service Operations: When a service task is canceled by the user or system.

Developer Interpretation

Developers should interpret ERROR_CANCELLED as an indication that the operation was intentionally terminated by the user. This error does not imply any failure in the underlying system or application logic, but rather reflects a deliberate action taken by the user to halt the process.

Common Causes

  • User-initiated cancellation of an ongoing task through a graphical interface or command line.
  • Exceeding time limits set for operations that can be canceled by the user.

Real-World Context

In practical scenarios, ERROR_CANCELLED is often used to handle situations where an operation may be interrupted at any point. For example, in file copy operations, a user might cancel the transfer before it completes, resulting in this error being returned.

Is This Error Critical?

No, ERROR_CANCELLED is not critical from a system stability or data integrity perspective. It simply indicates that an operation was canceled by the user and does not require any specific corrective action beyond ensuring that the application handles the cancellation gracefully.

FAQ

Q: Can this error be ignored?

  • A: Yes, ERROR_CANCELLED can typically be ignored as it is a user-initiated event. The application should handle the error by cleaning up resources and terminating the operation.

Q: How should an application respond to this error?

  • A: Applications should ensure that they properly clean up any resources used during the canceled operation and provide appropriate feedback to the user, such as confirming that the operation was successfully canceled.

Summary

ERROR_CANCELLED (1223) is a generic error code indicating that an operation has been canceled by the user. This error does not imply any failure in system or application logic but reflects a deliberate action taken by the user to halt the process. Developers should handle this error by ensuring proper cleanup and providing appropriate feedback to the user.