ERROR_INVALID_INDEX - 1413 (0x585)
Invalid index.
Updated: Feb 21, 2026
Technical Meaning
The ERROR_INVALID_INDEX error code indicates that an invalid index was provided to a function or operation. This typically means the index is out of range, not valid for the context in which it was used, or otherwise incorrect.
Error Details
This error is returned when a function expects a specific type of index (such as an array index, list position, or file handle) and receives an invalid value. The exact nature of the invalidity can vary depending on the operation being performed.
Usage Context
ERROR_INVALID_INDEX can be encountered in various contexts where indexing is involved, such as accessing elements in a collection, handling file handles, or managing lists. It is commonly used to indicate that an attempt was made to access an element using an index that does not exist within the expected range.
Developer Interpretation
When encountering ERROR_INVALID_INDEX, developers should review the parameters passed to functions and ensure they are within valid ranges. This error typically indicates a programming mistake, such as incorrect parameter values or misuse of function calls.
Related Errors
- ERROR_BAD_LENGTH: Indicates an invalid length was provided to a function.
- ERROR_INVALID_PARAMETER: A generic error indicating that one or more parameters are not valid.
FAQ
Q: What does ERROR_INVALID_INDEX mean?
A: It indicates an invalid index was provided to a function, such as an out-of-range array index or file handle.
Q: How can I resolve this error?
A: Ensure that the index values passed to functions are within valid ranges and match the expected type of the operation.
Summary
ERROR_INVALID_INDEX is a specific error code indicating invalid indexing in Windows API operations. Developers should carefully validate parameters and ensure they align with the expected context to avoid this error.