NFA failed to start in WIN XP SP2

help why NFA cannot start in my win XP 2
STATUS | wrapper | 2006/09/18 14:22:09 | ManageEngine NetFlow Analyzer 5 installed.
STATUS | wrapper | 2006/09/18 14:22:20 | Starting the ManageEngine NetFlow Analyzer 5 service...
STATUS | wrapper | 2006/09/18 14:22:20 | --> Wrapper Started as Service
STATUS | wrapper | 2006/09/18 14:22:20 | Launching a JVM...
INFO | wrapper | 2006/09/18 14:22:25 | Waiting to start...
INFO | jvm 1 | 2006/09/18 14:22:25 | TRYING TO STOP DB WITH COMMAND:::stopDB.bat
STATUS | wrapper | 2006/09/18 14:22:27 | ManageEngine NetFlow Analyzer 5 started.
INFO | jvm 1 | 2006/09/18 14:22:48 | Failed to start the server. Please refer logs for more details
INFO | jvm 1 | 2006/09/18 14:22:48 |
INFO | jvm 1 | 2006/09/18 14:22:48 | Server shutdown complete
STATUS | wrapper | 2006/09/18 14:22:50 | <-- Wrapper Stopped

and whereis the logs..please helppppp