ASP.NET can not initiate word component access denied

[Guest]

Hi: I am using ASP.NET(VB) trying to Dim a word doc component but I get
accesss denied error message, it tells me to set the permission for certain
folder.
I did all I can , still doesn't work

My code stop at here:
Dim theWordApp As New Word.ApplicationClass

err message as follow:
ASP.NET is not authorized to access the requested resource. Consider
granting access r.........