Sql Developer not connecting to Oracle 11g

hi all
i have
windows 7 ultimate 64bit
Oracle 11g 64bit
Sql Developer 3
on same machine i have created Tow Database on 11g :
ORCL
ORCL2
when it was ORCL only everything was Okay
but recently i have created another database ORACL2
then it stop connecting with database through SQL DEveloper
shows error;
IO Error: the network adapter could not establish the connection
On commnad prompt
LSNRCTL> status
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=AStix-PC)(PORT=1521)))
TNS-12541: TNS:no listener
TNS-12560: TNS:protocol adapter error
TNS-00511: No listener
32-bit Windows Error: 61: Unknown error
LSNRCTL>
LSNRCTL> start
Starting tnslsnr: please wait...
Service OracleOraDb11g_home1TNSListener already running.
TNS-12560: TNS:protocol adapter error
TNS-00530: Protocol adapter error
How to resolve this issue
please help me out
thanks to all

884559 wrote:
Have you fixed this issue?
i m having same problem,i tried so mamy things but i was not able to fix it,
so i uninstalled oracle and reinstalled it so it startd working fine,
but agin after 10-15 days this problem started.
from sqlplus i m able to connect but not using any other 3rd party IDE.
i have also installed one instant client.
Thanksno dear yet it's not fixed
i have focused my mind on my work instead of R & D
which is unexpected .. that ..no body is here for help...
thanks

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Hi
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