Reference for common failure codes of scheduled tasks in Windows:
0 or 0x0: The operation completed successfully. 1 or 0x1: Scheduled task ran, but the application returned an error. 2 or 0x2: File not found. 10 or 0xa: The environment is incorrect. 0x41300: Task is ready to run at its next scheduled time. 0x41301: Task is currently running. 0x41302: Task is disabled. 0x41303: Task has not yet run. 0x41304: There are no more runs scheduled for this task. 0x41306: Task is terminated. 0x8004130F: Credentials became corrupted (*) 0x8004131F: An instance of this task is already running. 0x80070002: similar to file not available (2147942402) 0x8007010B: Action 'start in' directory can not be found. 0x800704DD: The service is not available (is 'Run only when an user is logged on' checked?) 0xC000013A: The application terminated as a result of a CTRL+C. 0xC06D007E: Unknown software exception.