Knowledge

ERROR_FAIL_I24 - 83 (0x53)

Fail on INT 24.

Updated: Feb 21, 2026

Technical Background

ERROR_FAIL_I24 is a specific error code returned by the Windows API when an operation involving the INT 24 system call fails. The INT 24 instruction in x86 assembly language is typically used for interrupt handling, but its use within the context of the Windows API is not well-documented and may be related to specific hardware or legacy system interactions.

Error Details

The error code ERROR_FAIL_I24 corresponds to a failure during an operation that involves the INT 24 instruction. This could indicate issues such as incorrect usage, unsupported operations, or problems with the input parameters passed to the API function.

Common Causes

  • Invalid Parameter Values: The parameters passed to the API function may be out of range or improperly formatted for the operation being performed.
  • Incorrect Object Type: The type of object expected by the INT 24 system call might not match the actual object provided in the API call.
  • Exceeding Limits: The operation might have exceeded certain limits imposed by the system, such as maximum number of open files or directories.

Real-World Context

This error is typically encountered when working with low-level system calls or legacy APIs that interface directly with hardware. Developers should be cautious when using such APIs and ensure that all parameters are correctly set before making API calls.

Is This Error Critical?

The criticality of this error depends on the specific operation being performed. If the operation is part of a critical system process, then ERROR_FAIL_I24 could potentially lead to system instability or failure. However, in non-critical operations, it may simply indicate that an unsupported or invalid action was attempted.

How to Diagnose

  1. Review Operation Context: Examine the context in which the API call is being made, including any relevant environment variables and system configurations.
  2. Validate Parameters: Ensure that all parameters passed to the API function are within valid ranges and correctly formatted.
  3. Confirm Object Types: Verify that the object types expected by the INT 24 system call match those provided in the API call.

How to Resolve

  1. Correct Parameter Usage: Adjust any incorrect parameter values or formats to ensure they meet the requirements of the API function.
  2. Adjust Operation Context: Modify the operation context if necessary, such as changing environment variables or system configurations that may affect the behavior of the INT 24 call.
  3. Restore Data: If data corruption is suspected, restore any corrupted files or directories to their correct state before retrying the API call.

Developer Notes

Developers should be aware that the use of INT 24 and similar low-level system calls may not be supported in all versions of Windows. Additionally, these calls are often associated with legacy hardware or specific use cases and should be used with caution to avoid potential issues.

Related Errors

  • ERROR_INVALID_PARAMETER: Occurs when a parameter passed to an API function is invalid.
  • ERROR_BAD_COMMAND: Indicates that the command issued by INT 24 was not recognized.

FAQ

Q: What does ERROR_FAIL_I24 mean?

A: It indicates a failure related to an operation involving the INT 24 system call in the Windows API.

Q: Can this error be ignored?

A: The criticality of this error depends on the specific context. In non-critical operations, it may not require immediate attention, but in critical processes, it should be addressed to ensure stability and reliability.

Summary

ERROR_FAIL_I24 is a specific error code that indicates a failure during an operation involving the INT 24 system call. Developers should carefully validate parameters and object types when using this API to avoid encountering this error. If encountered, the issue can often be resolved by correcting parameter values or adjusting the operation context.