ERROR_INSUFFICIENT_POWER - 639 (0x27F)
There is not enough power to complete the requested operation.
Updated: Feb 21, 2026
Technical Meaning
The ERROR_INSUFFICIENT_POWER error code, with a numeric value of 639 and a hexadecimal representation of 0x27F, indicates that the system lacks sufficient power to execute a requested operation. This error is typically encountered in scenarios where the operating system or application requires more power than currently available.
Error Details
The ERROR_INSUFFICIENT_POWER error is a generic error code used by various Windows APIs and services to signal insufficient power conditions. It does not specify the exact cause of the power limitation but rather indicates that the requested operation cannot proceed due to inadequate power resources.
Usage Context
This error can occur in different contexts, such as during file operations, device access, or system-level tasks where power management plays a critical role. For example, it might be triggered when attempting to perform an operation that requires more processing power than the current state of the system can provide.
Developer Interpretation
Developers should interpret this error code as an indication that the requested operation cannot be completed due to insufficient power resources. It is essential for developers to handle such errors gracefully, providing appropriate feedback or alternative actions based on the specific context in which the error occurs.
Related Errors
ERROR_POWER_FAILURE(0x9)ERROR_INSUFFICIENT_RESOURCES(1455)ERROR_NOT_ENOUGH_MEMORY(8)
FAQ
Q: What does the ERROR_INSUFFICIENT_POWER error mean?
A: It indicates that there is not enough power to complete the requested operation.
Q: How can I handle this error in my application?
A: You should design your application to gracefully handle such errors and provide appropriate feedback or alternative actions based on the specific context of the operation.
Summary
The ERROR_INSUFFICIENT_POWER error code is a generic indication that the system lacks sufficient power resources to execute a requested operation. Developers should interpret this error as an operational constraint and handle it by providing appropriate feedback or alternative actions in their applications.