ERROR_GEN_FAILURE - 31 (0x1F)
A device attached to the system is not functioning.
Updated: Feb 21, 2026
Technical Meaning
ERROR_GEN_FAILURE is a generic error code indicating that a device attached to the system is not functioning properly. This error does not specify the exact nature of the failure but suggests that there is an issue with one or more devices connected to the system.
Error Details
The numeric value 31 and its hexadecimal representation 0x1F are used to denote this generic failure condition in various Windows APIs and diagnostic tools. This error can be returned by a wide range of system components, including hardware drivers, device managers, or other subsystems that encounter an unspecified failure.
Usage Context
This error is commonly encountered during operations such as device enumeration, initialization, or data transfer. It may also appear in scenarios where the system attempts to access resources managed by faulty or improperly configured devices.
Developer Interpretation
When encountering ERROR_GEN_FAILURE, developers should interpret it as a signal that an unspecified failure has occurred within a subsystem or hardware component. The exact cause of the failure is not detailed, and further investigation may be required to determine the root cause.
Related Errors
ERROR_DEVICE_NOT_CONNECTED(0x1B)ERROR_DEV_NOT_EXIST(0x23)ERROR_INVALID_PARAMETER(0x57)
These errors often indicate specific issues that could lead to a generic failure, such as device disconnection or invalid parameters.
FAQ
Q: What does ERROR_GEN_FAILURE mean?
A: It indicates an unspecified failure in a system component. Further investigation is required to determine the exact cause.
Q: How can I troubleshoot this error?
A: Review the operation context, validate parameters, and confirm device connections. Check for any hardware or driver issues that might be causing the generic failure.
Summary
ERROR_GEN_FAILURE (31) is a generic error code used to indicate an unspecified failure in system components. While it provides little specific information about the cause, developers should treat it as a signal to investigate further and address potential issues with hardware or device drivers.