Oracle ADI desktop and excel 2003

Hello,

I am doing the thinapp Oracle ADI and Excel 2003 together so all works fine but one problem, if user has native Excel 2010 open on there desktop Oracle ADI does not open Excle 2003 which is part of thinapp, but using the one that already open Excle 2010. How I can resolve this issue and force ADI to use only excel 2003 which is part of thinapp.

Thank you,