Profile Definition Editor doesn't show up

Hi all,

I tried to install the CS 2007 RC in a new virtual image..
It installed OK, including Starter Site.

When I tried to open Profile Definition from CS Manager to add new 
properties for UserObject, It didn't load the editor. What was shown on
the 
screen was text "Loading Editor", but the editor itself never shows up.
It supposed to give me page with Properties menus such as General Info, 
AccountInfo, ProfileSystem where I can then expand them to view the
profile's 
field and do update.

It also didn't work when I tried to view other profile objects.

I'm just wondering what's happening here..  I re-ran the installation to 
Repair mode, but to no avail.

Can any one give me a clue on what's missing here..

Thank's