Displays blank page when tried to access ORACLE Application Server Control

Hi,
I have successfully installed the Oracle SOA Suite using advance installation.
But when tried to open ORACLE APPLICATION SERVER CONTROL by following the below path.
start-> programs-> oracle-soa->ORACLE APPLICATION SERVER CONTROL, It displays a blank IE page.
But when tried to open BPEL control or WSM control or ESB control, it takes me to the login page.
Note: Started the SOA suite and the status of ASG component in the Start SOA page says Down.Does this affect in anyways?
Would appreciate if anyone could throw some light on this.

Hi All,
I started reinstalling SOA suite and while installation, I encounter below warning.
"A DHCP configuration was detected on this host" The installer also detected that the localhost name and network hostname differ. please resolve the networking issues by reffering the "Installing on DHCP computers" section in the installation guide."
Note: Doing installation in the server.
Wondering this could be the cause for displaying blank Application Server Control page.
And here is, what it says in the installation guide.
Note this limitation when running Oracle Application Server on DHCP computers: Oracle Application Server instances on DHCP computers cannot communicate with other instances running on other computers. For example, you cannot have OracleAS Infrastructure on one computer and a middle tier on another computer if any one of those computers uses DHCP. All the instances that need to communicate with each other need to run on the same computer. There are no limitations on clients: clients from other computers can access the instances running on the DHCP computer, as long as the client computer can resolve the DHCP computer on the network.
The solution for this is installing loopback adapter. But the catch is, I have few webmethods running on the server. Wondering about the effects of Loop back adadpter on webmethods. Please someone throw some light.
Regards
jude.

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j.a.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
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j.a.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
j.a.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
j.a.EventDispatchThread.run(EventDispatchThread.java:122)
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