ERROR_IO_DEVICE - 1117 (0x45D)
The request could not be performed because of an I/O device error.
Updated: Feb 21, 2026
Technical Meaning
The error code ERROR_IO_DEVICE with the numeric value 1117 and hexadecimal representation 0x45D indicates that a request could not be performed due to an input/output device-related issue. This error is generic in nature, meaning it does not specify a particular technical mechanism or subsystem but rather points to a broad category of I/O device errors.
Error Details
This error code is commonly encountered when the system encounters issues related to hardware devices such as storage drives, network interfaces, or other peripheral components. It can occur during file operations, data transfers, or any operation that involves interaction with an I/O device.
Usage Context
ERROR_IO_DEVICE can be returned by various Windows APIs and functions when they are unable to complete a requested task due to an I/O device error. This includes but is not limited to file system operations, network communication, and hardware device interactions.
Developer Interpretation
Developers should interpret this error as indicating that the operation could not proceed because of an issue with the underlying I/O device. The specific cause may vary depending on the context in which the error occurs. Developers are advised to review the operation's context, validate parameters, and ensure correct usage.
Related Errors
ERROR_DISK_FULL(28): Indicates that a disk is full and cannot accept more data.ERROR_FILE_NOT_FOUND(2): The system cannot find the file specified.ERROR_INVALID_DRIVE(19): An invalid drive specification was used in an I/O operation.
FAQ
Q: What does ERROR_IO_DEVICE mean?
A: It indicates that a request could not be performed due to an input/output device error.
Q: Can this error occur during file operations?
A: Yes, it can occur during any file system or I/O operation involving hardware devices.
Q: How should developers handle this error?
A: Developers should review the context of the operation and ensure that all parameters are valid and correct. They should also verify device status and connectivity.
Summary
ERROR_IO_DEVICE (1117, 0x45D) is a generic I/O device error indicating that an input/output request could not be completed due to issues with the hardware or device. Developers are advised to review operation context and ensure correct usage of parameters and devices.