Office 2003 - Slipstreaming Please Help

[worldwidecom2106]

Office 2003 - Slipstreaming

I tried the procedure from the following link

http://unattended.msfn.org/intermediate/ap...ipstreaming.htm

All work good. I still have problems to slipstream "Projects 2003".

I receive a window as in the image attached, when tried.

Anybody can help?

I'm novice in computers so make me understand what happend is.

Thank you