ERROR_INVALID_ACCEL_HANDLE - 1403 (0x57B)
Invalid accelerator table handle.
Updated: Feb 21, 2026
Technical Meaning
The ERROR_INVALID_ACCEL_HANDLE error code indicates that an invalid handle to an accelerator table was passed to a Windows API function. An accelerator table is used for mapping keyboard shortcuts to commands in applications.
Error Details
This error typically occurs when the application or system attempts to use a handle that does not refer to a valid accelerator table. This can happen due to incorrect parameter passing, corruption of data structures, or misuse of APIs related to accelerator tables.
Usage Context
The ERROR_INVALID_ACCEL_HANDLE is commonly encountered in applications that utilize keyboard shortcuts and require the management of accelerator tables for command mapping. It may also appear during system operations where such tables are accessed or modified.
Developer Interpretation
When this error code is returned, it signifies that the application has passed an invalid handle to a function expecting a valid one. This could be due to a variety of reasons, including incorrect initialization of accelerator tables, misuse of API functions, or corruption in data structures used by the application.
Related Errors
ERROR_ACCEL_TABLE_FULL(1402, 0x57A): Indicates that an attempt was made to add more entries to an accelerator table that is already full.ERROR_ACCEL_ENTRY_EXISTS(1404, 0x57C): Indicates that an attempt was made to insert a duplicate entry into an accelerator table.
FAQ
Q: What does the error code ERROR_INVALID_ACCEL_HANDLE mean?
A: It indicates that an invalid handle to an accelerator table has been passed to a Windows API function. This typically occurs due to incorrect parameter passing or misuse of APIs related to accelerator tables.
Q: How can I resolve this error?
A: Ensure that the handle passed to the relevant API functions is valid and correctly initialized. Verify the integrity of data structures used by your application, and ensure correct usage of API functions for managing accelerator tables.
Summary
The ERROR_INVALID_ACCEL_HANDLE error code highlights an issue with a handle to an accelerator table being invalid. Developers should validate their parameters and ensure proper handling of accelerator tables to avoid this error.