ERROR_DLL_INIT_FAILED_LOGOFF - 624 (0x270)
{DLL Initialization Failed} The application failed to initialize because the window station is shutting down.
Updated: Feb 21, 2026
Technical Meaning
The ERROR_DLL_INIT_FAILED_LOGOFF error code, with a numeric value of 624 and a hexadecimal representation of 0x270, indicates that a dynamic link library (DLL) failed to initialize during the application startup process. This failure occurred because the window station associated with the application is in the process of shutting down.
Error Details
This error typically arises when an application attempts to load and initialize a DLL, but encounters issues due to the impending shutdown of the window station. The window station is a logical unit that contains all the windows and processes within it. When a system-wide event such as user logoff or shutdown occurs, certain operations are halted, including the initialization of new applications.
Usage Context
This error code is relevant in scenarios where an application attempts to load a DLL during the startup process but fails because the window station is terminating. It can occur when:
- A user logs off from the system.
- The system initiates a shutdown sequence.
- An application tries to initialize a DLL after receiving a signal that the window station is shutting down.
Developer Interpretation
Developers should interpret this error code as an indication that the current operation cannot proceed due to the impending termination of the window station. This typically means that any further initialization or resource allocation attempts will fail, and the application should handle such scenarios gracefully by cleaning up resources and exiting properly.
Related Errors
ERROR_WINDOW_STATION_ACCESS_DENIED(0x5B) - Indicates a failure to access the window station due to insufficient privileges.ERROR_SHUTDOWN_IN_PROGRESS(0x426) - Signals that a system shutdown is in progress, which can lead to various initialization failures.
FAQ
Q: What does ERROR_DLL_INIT_FAILED_LOGOFF mean?
A: It indicates that a DLL failed to initialize because the window station associated with an application is shutting down.
Q: How should developers handle this error?
A: Developers should ensure their applications can gracefully handle shutdown events and avoid attempting to initialize or use resources after receiving signals of impending termination.
Summary
The ERROR_DLL_INIT_FAILED_LOGOFF error code signifies that a DLL initialization attempt failed due to the window station shutting down. This is a specific technical condition that developers must account for in their application design, ensuring proper handling and cleanup during shutdown events.