LGWR / Error 1041 Closing Archive Log File (STANDBY)

I have configured data guard in the windows XP same server .It is not able to apply log to the Standby database.when I queried the following, I go the following erros..

sql>select message from v$dataguard_status where dest_id=2;
FAL[server, ARC0]: Error 12514 creating remote archivelog file 'STNDBY'
PING[ARCk]: Heartbeat failed to connect to standby 'STNDBY'. Error is 12528.
LGWR: I/O error 1089 archiving log 1 to 'STNDBY'
"ARCk: Attempting destination LOG_ARCHIVE_DEST_2 network reconnect (3113)
"
"ARCk: Destination LOG_ARCHIVE_DEST_2 network reconnect abandoned
"
PING[ARCk]: Error 3113 when pinging standby STNDBY.
"LNS: Closing remote archive destination LOG_ARCHIVE_DEST_2: 'STNDBY' (error 1089)
"
LGWR: Error 1041 closing archivelog file 'STNDBY'
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Also if

SQL> select sequence#,applied from v$archived_log;

query gives the following message----

SEQUENCE# APP
---------- ---
7 YES
5 NO
8 NO
9 NO
6 NO
10 NO
10 NO
11 NO
11 NO
12 NO
12 NO