I installed oracle 10.2.0.1.0 in windows xp machine.
using sql*plus I am able to connect using scott/tiger.
if give scott/tiger@local ( local is the tnsname i have given in tnsnames)
it is showing the above error ORA-12541: TNS:no listener.
If I try to start the listner from command prompt
using lsnrctl start --- it is showing

" TNS-12560 : PROTOCAL ADAPTER ERROR" FAILED TO START THE SERVICE.

PLZ GIVE SUGGESTION. FOLLOWING ARE THE DETAILED INFO.

# tnsnames.ora Network Configuration File:

D:\oracle\product\10.2.0\db_1\network\admin\tnsnames.ora

# Generated by Oracle configuration tools.

LOCAL =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = madhu)(PORT = 1521))
)
(CONNECT_DATA =
(SERVICE_NAME = orcl)
)
)

EXTPROC_CONNECTION_DATA =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
)
(CONNECT_DATA =
(SID = PLSExtProc)
(PRESENTATION = RO)
)
)

# listener.ora Network Configuration File: D:\oracle\product\10.2.0\db_1\network\admin\listener.ora
# Generated by Oracle configuration tools.

SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = PLSExtProc)
(ORACLE_HOME = D:\oracle\product\10.2.0\db_1)
(PROGRAM = extproc)
)
)

LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = madhu)(PORT = 1521))
)
)