Detected orphan OWB sessions

I encounter this problem everytime a OWB Client developer has his PC crashed or rebooted every now and then. The next time then the OWB Client is started, it pops up with the window indicating 'Detected orphan OWB sessions' and the related information.
Afterwards, even when the session is killed and removed through the Oracle Enterprise Manager, the message keeps on coming till we issue the ORAKILL command on our Windows server. This is a pain as we have formalities to access the oracle server command prompt and this requires lot of time. Is not there any simple way to release these sessions and locks using OWB Administrator or other methods without having to connect to the OS command prompt on the Oracle Server to issue the ORAKILL.

Uday,
If you have DBA privileges, then you can use:
alter system kill session '<SID>,<serial#>'
in order to kill sessions. The script below may be helpful to query what is going on:
select 'alter system kill session '''
|| to_char(sid)
||','
|| to_char(serial#)
|| ''' immediate ;' kill_session
, username || ' (' || osuser || '/' || terminal || ')' dbosname
, program
, status
from v$session
Mark.

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Besides, for more information, you could refer to:
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Hi,
Please refer the below links:
http://www.forumtopics.com/busobj/viewtopic.php?t=121057&sid=6ebdf095ee07192335a4f77ff71b4417
http://shahfaisalmuhammed.wordpress.com/2010/01/11/auto-save-feature-in-web-intelligence/
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Hi Gurus
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Hi
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look this
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