hi i did the following
C:\>lsnrctl
LSNRCTL for 32-bit Windows: Version 11.2.0.1.0 - Production on 26-FEB-2014 12:14
:30
Copyright (c) 1991, 2010, Oracle. All rights reserved.
Welcome to LSNRCTL, type "help" for information.
LSNRCTL> status
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=IP)(PORT=152
1)))
TNS-01189: The listener could not authenticate the user
LSNRCTL>
AM TRYING TO START LISTNER