Connect To 10g After Patch Set 3

Had 10.2.0.3 on Win Server 2003 and ran patch set 3. Now have 10.2.0.4 but cannot login. Here is what I get along with other info.
-------
SQL*Plus: Release 10.2.0.4.0 - Production on Thu Mar 24 14:27:31 2011
Copyright © 1982, 2007, Oracle. All Rights Reserved.

ERROR:
ORA-12514: TNS:listener does not currently know of service requested in connect
descriptor
--------
My listener service is running. Listener.ora is:
---------
# listener.ora Network Configuration File: C:\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 = C:\oracle\product\10.2.0\db_1)
(PROGRAM = extproc)
)
)

LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
(ADDRESS = (PROTOCOL = TCP)(HOST = W2K3-TX-ORA)(PORT = 1521))
)
)
-----------
Running TNSPING:

C:\oracle\product\10.2.0\db_1\network\ADMIN>tnsping orcl
TNS Ping Utility for 32-bit Windows: Version 10.2.0.4.0 - Production on 24-MAR-2011 14:35:35
Copyright © 1997, 2007, Oracle. All rights reserved.

Used parameter files:
C:\oracle\product\10.2.0\db_1\network\admin\sqlnet.ora

Used TNSNAMES adapter to resolve the alias
Attempting to contact (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = W2K3-TX-ORA)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME
= ORCL)))
OK (60 msec)