Need help with an objIE.Document is nothing statement

We have a Hypertext application that today runs under Windows XP and IE 8.  The apps is designed to go out to Active Directory 2003, find the computer object and gathers informaiton about the object as well as collecting it's group membership.  Once the information has been gathered the app spawn a window in IE that displays the information found.  When testing this HTA under Win 7 and IE 8 an error "The Interface is unknown" occurs any time we are refererencing objIE.Document or any other object that was derived from objIE.Document (i.e. set objHTMLBody = objIE.document.body) .  Although I was using an accout that had domain admin rights and local administrator rights on the WIN 7 workstation, the code would always error out when it hit a reference that involded objIE.Document.  However, we have discovered that if we run the app using "Run As Administrator" the app works just as it did under Windows XP.  Does anyone know how to get around this elevated rights issue?
msgexpertAsked:
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CSI-Windows_comCommented:
It does not appear that there is anything that can be done about need admin rights.  You may have already found these threads:
http://social.technet.microsoft.com/Forums/en/ITCG/thread/49f829b6-3c04-403c-97b0-6480aaba3fbe

http://stackoverflow.com/questions/1427370/error-800706b5-when-calling-iwebbrowser2-get-document

You could use a third party tool to give admin rights to just that one HTA.

You may have to configure them to run Iexplore.exe with the HTA as an argument.

Here are some free ones:
http://www.steelsonic.com/steelrunas.htm - this is not free, but the last freeware version (1.2) can be found here: http://www.freewarefiles.com/downloads_counter.php?programid=26832

http://www.joeware.net/freetools/tools/cpau/

http://www.chessware.ch/runitas/

There is also a free enterprise tool that allows you to configure anything to run with admin credentials via group policy - a little bit fussy if this is a one time need:

http://www.scriptlogic.com/products/privilegeauthority/
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