ERROR_INVALID_KEYBOARD_HANDLE - 1457 (0x5B1)
Invalid keyboard layout handle.
Updated: Feb 21, 2026
Technical Meaning
The ERROR_INVALID_KEYBOARD_HANDLE error code indicates that an invalid keyboard layout handle was provided to a function or operation. This typically suggests that the handle is either not valid, has been closed, or does not correspond to a known keyboard layout.
Error Details
This specific error is associated with functions in the Windows API that deal with keyboard layouts and input handling. The error code 1457 (0x5B1) is returned when an operation involving a keyboard layout handle fails due to invalid parameters or state.
Usage Context
The context in which this error occurs can vary, but it typically arises from operations such as setting the current keyboard layout, querying properties of a keyboard layout, or performing other tasks that require a valid keyboard layout handle. The error is not specific to any particular file system, permission, parameter validation, data integrity issue, resource limit, or capability limitation.
Developer Interpretation
When encountering ERROR_INVALID_KEYBOARD_HANDLE, developers should ensure that the keyboard layout handle being used is valid and has not been closed. This can be achieved by validating the handle before performing operations on it and ensuring that the handle remains open during the operation's lifetime.
Related Errors
- ERROR_BAD_LENGTH (0x6D) - Indicates an invalid length parameter.
- ERROR_INVALID_PARAMETER (0x57) - A generic error for invalid parameters, which may include handles.
FAQ
Q: What does ERROR_INVALID_KEYBOARD_HANDLE mean?
A: It indicates that the keyboard layout handle provided to a function is not valid or has been closed.
Q: How can I resolve this issue?
A: Ensure that the keyboard layout handle is valid and remains open during the operation. Validate the handle before performing any operations on it.
Summary
ERROR_INVALID_KEYBOARD_HANDLE (1457) is a specific error code indicating an invalid keyboard layout handle in Windows API functions. Developers should validate handles to avoid this error.