You have a single-domain Active Directory Domain Services (AD DS) forest. Office Outlook 2007 is installed on all client computers. All client computers run the 64-bit version of Windows 7. You attempt to install the 32-bit version of Outlook 2010 by using a startup script. The installation fails.

You need to install Outlook 2010 on all client computers.

What should you do?

A.
Specify the 64-bit version of Outlook 2010 in the startup script.

B.
Uninstall Outlook 2007 and reboot.

C.
Run the 32-bit Outlook 2010 Setup program as a local administrator on the client computers.

D.
Run the 64-bit Outlook 2010 Setup program with the /admin option on the client computers.