ERROR_INCORRECT_SIZE - 1462 (0x5B6)

Incorrect size argument.

Updated: Feb 21, 2026

Technical Meaning

The ERROR_INCORRECT_SIZE error code indicates that an incorrect size argument was passed to a function or API call. This typically occurs when the provided size parameter does not match the expected value required by the operation.

Error Details

This error is returned when a function expects a specific size of data, buffer, or structure, but receives a different size. The incorrect size can be due to various reasons such as invalid input parameters, incorrect usage context, or exceeding system limits.

Usage Context

The ERROR_INCORRECT_SIZE error can occur in various contexts where the correct size is critical for the operation's success. Common scenarios include file operations, memory allocation, and data transfer between applications or components.

Developer Interpretation

When encountering this error, developers should review the parameters passed to the function or API call to ensure they match the expected sizes. This includes verifying buffer sizes, structure field counts, and any other size-related parameters that are crucial for the operation's success.

Related Errors

  • ERROR_INVALID_PARAMETER (1207): Indicates an invalid parameter was passed to a function.
  • ERROR_INSUFFICIENT_BUFFER (122) or ERROR_MORE_DATA (234): Suggests that the buffer size is insufficient for the operation.

FAQ

Q: What does ERROR_INCORRECT_SIZE mean?

A: It indicates an incorrect size argument was passed to a function or API call, leading to potential failure of the operation.

Q: How can I resolve this error?

A: Review and correct the parameters passed to the function, ensuring they match the expected sizes required by the operation.

Summary

The ERROR_INCORRECT_SIZE error is a specific technical issue indicating an incorrect size argument. Developers should carefully validate input parameters to avoid this error and ensure successful execution of functions or API calls.